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122022222022121 = 2931135731058979
BaseRepresentation
bin11011101111101010000011…
…001100101100010111101001
3121000001012200110021120110212
4123233222003030230113221
5111443203002314201441
61111304122424550505
734462546261565561
oct3357520314542751
9530035613246425
10122022222022121
1135975374245133
1211828883322435
13531185280ac55
14221bc9ad75da1
15e191284baeeb
hex6efa8332c5e9

122022222022121 has 8 divisors (see below), whose sum is σ = 130301816620800. Its totient is φ = 114014089541520.

The previous prime is 122022222022111. The next prime is 122022222022123. The reversal of 122022222022121 is 121220222220221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122022222022121 is a prime.

It is a super-2 number, since 2×1220222220221212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122022222022123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67865528591 + ... + 67865530388.

It is an arithmetic number, because the mean of its divisors is an integer number (16287727077600).

Almost surely, 2122022222022121 is an apocalyptic number.

It is an amenable number.

122022222022121 is a deficient number, since it is larger than the sum of its proper divisors (8279594598679).

122022222022121 is a wasteful number, since it uses less digits than its factorization.

122022222022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135731059039.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 122022222022121 its reverse (121220222220221), we get a palindrome (243242444242342).

The spelling of 122022222022121 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 29 31 899 135731058979 3936200710391 4207662828349 122022222022121