121202402203113 has 128 divisors (see below), whose sum is σ = 204439006937088. Its totient is φ = 62044781760000.

The previous prime is 121202402203079. The next prime is 121202402203123. The reversal of 121202402203113 is 311302204202121.

It is not a de Polignac number, because 121202402203113 - 2⁸ = 121202402202857 is a prime.

It is a super-2 number, since 2×121202402203113² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121202402203123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6071950453 + ... + 6071970413.

It is an arithmetic number, because the mean of its divisors is an integer number (1597179741696).

Almost surely, 2^{121202402203113} is an apocalyptic number.

It is an amenable number.

121202402203113 is a deficient number, since it is larger than the sum of its proper divisors (83236604733975).

121202402203113 is a wasteful number, since it uses less digits than its factorization.

121202402203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21507.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121202402203113 its reverse (311302204202121), we get a palindrome (432504606405234).

The spelling of 121202402203113 in words is "one hundred twenty-one trillion, two hundred two billion, four hundred two million, two hundred three thousand, one hundred thirteen".