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122011000110221 = 143239851800139
BaseRepresentation
bin11011101111011111100110…
…010100011111110010001101
3121000000010201101021101100012
4123233133212110133302031
5111443012012012011341
61111255025112243005
734462001216114345
oct3357374624376215
9530003641241305
10122011000110221
1135970635818682
12118266710a0465
1353107849268b1
14221b51481bd25
15e18bbd1e50eb
hex6ef7e651fc8d

122011000110221 has 4 divisors (see below), whose sum is σ = 122011852053600. Its totient is φ = 122010148166844.

The previous prime is 122011000110187. The next prime is 122011000110281.

122011000110221 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122011000110221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122011000110196 and 122011000110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011000110281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425756831 + ... + 426043308.

It is an arithmetic number, because the mean of its divisors is an integer number (30502963013400).

Almost surely, 2122011000110221 is an apocalyptic number.

It is an amenable number.

122011000110221 is a deficient number, since it is larger than the sum of its proper divisors (851943379).

122011000110221 is an equidigital number, since it uses as much as digits as its factorization.

122011000110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851943378.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 122011000 and 110221, that added together give a palindrome (122121221).

The spelling of 122011000110221 in words is "one hundred twenty-two trillion, eleven billion, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 143239 851800139 122011000110221