202919201121 has 64 divisors (see below), whose sum is σ = 342149101056. Its totient is φ = 104094720000.

The previous prime is 202919201113. The next prime is 202919201153. The reversal of 202919201121 is 121102919202.

It is not a de Polignac number, because 202919201121 - 2³ = 202919201113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202919221121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40411591 + ... + 40416611.

It is an arithmetic number, because the mean of its divisors is an integer number (5346079704).

Almost surely, 2^202919201121 is an apocalyptic number.

202919201121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202919201121 is a deficient number, since it is larger than the sum of its proper divisors (139229899935).

202919201121 is a wasteful number, since it uses less digits than its factorization.

202919201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 202919201121 in words is "two hundred two billion, nine hundred nineteen million, two hundred one thousand, one hundred twenty-one".