121123212021202 has 16 divisors (see below), whose sum is σ = 185927482825920. Its totient is φ = 59147648601552.

The previous prime is 121123212021151. The next prime is 121123212021223. The reversal of 121123212021202 is 202120212321121.

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, 65124877 + ... + 66958912.

It is an arithmetic number, because the mean of its divisors is an integer number (11620467676620).

Almost surely, 2^{121123212021202} is an apocalyptic number.

121123212021202 is a deficient number, since it is larger than the sum of its proper divisors (64804270804718).

121123212021202 is a wasteful number, since it uses less digits than its factorization.

121123212021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132094497.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121123212021202 its reverse (202120212321121), we get a palindrome (323243424342323).

The spelling of 121123212021202 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred twelve million, twenty-one thousand, two hundred two".