121010021122120 has 32 divisors (see below), whose sum is σ = 293216589643320. Its totient is φ = 44680623183360.

The previous prime is 121010021122091. The next prime is 121010021122139. The reversal of 121010021122120 is 21221120010121.

It can be written as a sum of positive squares in 4 ways, for example, as 39724758406564 + 81285262715556 = 6302758^2 + 9015834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121010021122094 and 121010021122103.

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, 116355789021 + ... + 116355790060.

Almost surely, 2^{121010021122120} is an apocalyptic number.

121010021122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010021122120 is an abundant number, since it is smaller than the sum of its proper divisors (172206568521200).

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

121010021122120 is a wasteful number, since it uses less digits than its factorization.

121010021122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232711579105 (or 232711579101 counting only the distinct ones).

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

Adding to 121010021122120 its reverse (21221120010121), we get a palindrome (142231141132241).

The spelling of 121010021122120 in words is "one hundred twenty-one trillion, ten billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty".