121202242202121 has 96 divisors (see below), whose sum is σ = 176780786236800. Its totient is φ = 73605438720000.

The previous prime is 121202242202117. The next prime is 121202242202131.

121202242202121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 121202242202121 - 2² = 121202242202117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121202242202091 and 121202242202100.

It is not an unprimeable number, because it can be changed into a prime (121202242202131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12241409271 + ... + 12241419171.

It is an arithmetic number, because the mean of its divisors is an integer number (1841466523300).

Almost surely, 2^{121202242202121} is an apocalyptic number.

It is an amenable number.

121202242202121 is a deficient number, since it is larger than the sum of its proper divisors (55578544034679).

121202242202121 is a wasteful number, since it uses less digits than its factorization.

121202242202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731 (or 10630 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 121202242202121 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred forty-two million, two hundred two thousand, one hundred twenty-one".