121220000210202 has 16 divisors (see below), whose sum is σ = 242675150772672. Its totient is φ = 40367475011360.

The previous prime is 121220000210129. The next prime is 121220000210251. The reversal of 121220000210202 is 202012000022121.

It is a super-2 number, since 2×121220000210202² (a number of 29 digits) contains 22 as substring.

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, 9797924643 + ... + 9797937014.

It is an arithmetic number, because the mean of its divisors is an integer number (15167196923292).

Almost surely, 2^{121220000210202} is an apocalyptic number.

121220000210202 is an abundant number, since it is smaller than the sum of its proper divisors (121455150562470).

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

121220000210202 is a wasteful number, since it uses less digits than its factorization.

121220000210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19595862693.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121220000210202 its reverse (202012000022121), we get a palindrome (323232000232323).

The spelling of 121220000210202 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred ten thousand, two hundred two".