121110101012 has 24 divisors (see below), whose sum is σ = 222366100992. Its totient is φ = 57640975200.

The previous prime is 121110100961. The next prime is 121110101027. The reversal of 121110101012 is 210101011121.

It is a junction number, because it is equal to n+sod(n) for n = 121110100984 and 121110101002.

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, 7998128 + ... + 8013255.

It is an arithmetic number, because the mean of its divisors is an integer number (9265254208).

Almost surely, 2^121110101012 is an apocalyptic number.

It is an amenable number.

121110101012 is a deficient number, since it is larger than the sum of its proper divisors (101255999980).

121110101012 is a wasteful number, since it uses less digits than its factorization.

121110101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16011479 (or 16011477 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121110101012 its reverse (210101011121), we get a palindrome (331211112133).

The spelling of 121110101012 in words is "one hundred twenty-one billion, one hundred ten million, one hundred one thousand, twelve".