121020111022194 has 12 divisors (see below), whose sum is σ = 262210240548126. Its totient is φ = 40340037007392.

The previous prime is 121020111022163. The next prime is 121020111022277. The reversal of 121020111022194 is 491220111020121.

121020111022194 is a `hidden beast` number, since 121 + 0 + 201 + 110 + 221 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60883110434169 + 60137000588025 = 7802763^2 + 7754805^2 .

It is a super-3 number, since 3×121020111022194³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3361669750599 + ... + 3361669750634.

Almost surely, 2^{121020111022194} is an apocalyptic number.

121020111022194 is an abundant number, since it is smaller than the sum of its proper divisors (141190129525932).

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

121020111022194 is a wasteful number, since it uses less digits than its factorization.

121020111022194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723339501241 (or 6723339501238 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 121020111022194 in words is "one hundred twenty-one trillion, twenty billion, one hundred eleven million, twenty-two thousand, one hundred ninety-four".