121010120111120 has 40 divisors (see below), whose sum is σ = 281383467864216. Its totient is φ = 48398037101568.

The previous prime is 121010120111107. The next prime is 121010120111131. The reversal of 121010120111120 is 21111021010121.

It can be written as a sum of positive squares in 4 ways, for example, as 15659685101824 + 105350435009296 = 3957232^2 + 10264036^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×121010120111120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121010120111095 and 121010120111104.

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, 93272717 + ... + 94561196.

Almost surely, 2^{121010120111120} is an apocalyptic number.

121010120111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010120111120 is an abundant number, since it is smaller than the sum of its proper divisors (160373347753096).

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

121010120111120 is a wasteful number, since it uses less digits than its factorization.

121010120111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187841979 (or 187841973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121010120111120 its reverse (21111021010121), we get a palindrome (142121141121241).

The spelling of 121010120111120 in words is "one hundred twenty-one trillion, ten billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty".