121020012112102 has 16 divisors (see below), whose sum is σ = 184016935428480. Its totient is φ = 59686012449792.

The previous prime is 121020012112093. The next prime is 121020012112123. The reversal of 121020012112102 is 201211210020121.

It is a super-2 number, since 2×121020012112102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244654683 + ... + 1244751910.

It is an arithmetic number, because the mean of its divisors is an integer number (11501058464280).

Almost surely, 2^{121020012112102} is an apocalyptic number.

121020012112102 is a deficient number, since it is larger than the sum of its proper divisors (62996923316378).

121020012112102 is a wasteful number, since it uses less digits than its factorization.

121020012112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489406927.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121020012112102 its reverse (201211210020121), we get a palindrome (322231222132223).

The spelling of 121020012112102 in words is "one hundred twenty-one trillion, twenty billion, twelve million, one hundred twelve thousand, one hundred two".