121001020120113 has 16 divisors (see below), whose sum is σ = 195228536664960. Its totient is φ = 65076178887936.

The previous prime is 121001020120091. The next prime is 121001020120133. The reversal of 121001020120113 is 311021020100121.

It is not a de Polignac number, because 121001020120113 - 2¹² = 121001020116017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121001020120092 and 121001020120101.

It is not an unprimeable number, because it can be changed into a prime (121001020120133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169469215498 + ... + 169469216211.

It is an arithmetic number, because the mean of its divisors is an integer number (12201783541560).

Almost surely, 2^{121001020120113} is an apocalyptic number.

It is an amenable number.

121001020120113 is a deficient number, since it is larger than the sum of its proper divisors (74227516544847).

121001020120113 is a wasteful number, since it uses less digits than its factorization.

121001020120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338938431736.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121001020120113 its reverse (311021020100121), we get a palindrome (432022040220234).

The spelling of 121001020120113 in words is "one hundred twenty-one trillion, one billion, twenty million, one hundred twenty thousand, one hundred thirteen".