121110021120112 has 20 divisors (see below), whose sum is σ = 234656728408960. Its totient is φ = 60553446046848.

The previous prime is 121110021120103. The next prime is 121110021120149. The reversal of 121110021120112 is 211021120011121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 97143312 + ... + 98382127.

It is an arithmetic number, because the mean of its divisors is an integer number (11732836420448).

Almost surely, 2^{121110021120112} is an apocalyptic number.

It is an amenable number.

121110021120112 is a deficient number, since it is larger than the sum of its proper divisors (113546707288848).

121110021120112 is a wasteful number, since it uses less digits than its factorization.

121110021120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195564160 (or 195564154 counting only the distinct ones).

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

Adding to 121110021120112 its reverse (211021120011121), we get a palindrome (332131141131233).

The spelling of 121110021120112 in words is "one hundred twenty-one trillion, one hundred ten billion, twenty-one million, one hundred twenty thousand, one hundred twelve".