121002021221202 has 96 divisors (see below), whose sum is σ = 296604639414720. Its totient is φ = 36666402347520.

The previous prime is 121002021221161. The next prime is 121002021221219. The reversal of 121002021221202 is 202122120200121.

It is a happy number.

121002021221202 is a `hidden beast` number, since 1 + 210 + 0 + 20 + 212 + 21 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243920074 + ... + 244415642.

It is an arithmetic number, because the mean of its divisors is an integer number (3089631660570).

Almost surely, 2^{121002021221202} is an apocalyptic number.

121002021221202 is an abundant number, since it is smaller than the sum of its proper divisors (175602618193518).

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

121002021221202 is a wasteful number, since it uses less digits than its factorization.

121002021221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541270 (or 541258 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121002021221202 its reverse (202122120200121), we get a palindrome (323124141421323).

The spelling of 121002021221202 in words is "one hundred twenty-one trillion, two billion, twenty-one million, two hundred twenty-one thousand, two hundred two".