121202020100202 has 8 divisors (see below), whose sum is σ = 242404040200416. Its totient is φ = 40400673366732.

The previous prime is 121202020100173. The next prime is 121202020100219. The reversal of 121202020100202 is 202001020202121.

It is a sphenic number, since it is the product of 3 distinct primes.

121202020100202 is an admirable number.

It is a super-2 number, since 2×121202020100202² (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 3 ways as a sum of consecutive naturals, for example, 10100168341678 + ... + 10100168341689.

It is an arithmetic number, because the mean of its divisors is an integer number (30300505025052).

Almost surely, 2^{121202020100202} is an apocalyptic number.

121202020100202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121202020100202 is a wasteful number, since it uses less digits than its factorization.

121202020100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20200336683372.

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

Adding to 121202020100202 its reverse (202001020202121), we get a palindrome (323203040302323).

The spelling of 121202020100202 in words is "one hundred twenty-one trillion, two hundred two billion, twenty million, one hundred thousand, two hundred two".