121011112112202 has 48 divisors (see below), whose sum is σ = 289246072876488. Its totient is φ = 36326037404160.

The previous prime is 121011112112201. The next prime is 121011112112221. The reversal of 121011112112202 is 202211211110121.

It is a happy number.

121011112112202 is a `hidden beast` number, since 1 + 210 + 11 + 11 + 211 + 220 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 68614201990161 + 52396910122041 = 8283369^2 + 7238571^2 .

It is a super-4 number, since 4×121011112112202⁴ (a number of 57 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121011112112201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6306594123 + ... + 6306613310.

Almost surely, 2^{121011112112202} is an apocalyptic number.

121011112112202 is an abundant number, since it is smaller than the sum of its proper divisors (168234960764286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121011112112202 is a wasteful number, since it uses less digits than its factorization.

121011112112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12613207495 (or 12613207492 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121011112112202 its reverse (202211211110121), we get a palindrome (323222323222323).

The spelling of 121011112112202 in words is "one hundred twenty-one trillion, eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred two".