121110010111012 has 12 divisors (see below), whose sum is σ = 228245788286236. Its totient is φ = 55896927743520.

The previous prime is 121110010110997. The next prime is 121110010111073. The reversal of 121110010111012 is 210111010011121.

It can be written as a sum of positive squares in 2 ways, for example, as 64223811328576 + 56886198782436 = 8013976^2 + 7542294^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121110010110983 and 121110010111001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164519327939 + ... + 1164519328042.

Almost surely, 2^{121110010111012} is an apocalyptic number.

It is an amenable number.

121110010111012 is a deficient number, since it is larger than the sum of its proper divisors (107135778175224).

121110010111012 is a wasteful number, since it uses less digits than its factorization.

121110010111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329038655998 (or 2329038655996 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 121110010111012 its reverse (210111010011121), we get a palindrome (331221020122133).

The spelling of 121110010111012 in words is "one hundred twenty-one trillion, one hundred ten billion, ten million, one hundred eleven thousand, twelve".