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122002343200221 = 311337825785281
BaseRepresentation
bin11011101111010111100010…
…010101000000010111011101
3120222222022101001202210022220
4123233113202111000113131
5111442341244324401341
61111251034104455553
734461243540440601
oct3357274225002735
9528868331683286
10122002343200221
11359679a3162000
1211824a55a7a5b9
13530ca05280543
14221ad32bd5501
15e188631d9a66
hex6ef5e25405dd

122002343200221 has 32 divisors (see below), whose sum is σ = 183760347232896. Its totient is φ = 71942413593600.

The previous prime is 122002343200219. The next prime is 122002343200267.

122002343200221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122002343200221 - 21 = 122002343200219 is a prime.

It is a super-2 number, since 2×1220023432002212 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122002343200191 and 122002343200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002343200121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412744900 + ... + 413040381.

It is an arithmetic number, because the mean of its divisors is an integer number (5742510851028).

Almost surely, 2122002343200221 is an apocalyptic number.

122002343200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122002343200221 is a deficient number, since it is larger than the sum of its proper divisors (61758004032675).

122002343200221 is an equidigital number, since it uses as much as digits as its factorization.

122002343200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825785354 (or 825785332 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 122002343200221 in words is "one hundred twenty-two trillion, two billion, three hundred forty-three million, two hundred thousand, two hundred twenty-one".

Divisors: 1 3 11 33 37 111 121 363 407 1221 1331 3993 4477 13431 49247 147741 825785281 2477355843 9083638091 27250914273 30554055397 91662166191 99920019001 299760057003 336094609367 1008283828101 1099120209011 3297360627033 3697040703037 11091122109111 40667447733407 122002343200221