202114921 has 16 divisors (see below), whose sum is σ = 219979584. Its totient is φ = 184955904.

The previous prime is 202114909. The next prime is 202114931. The reversal of 202114921 is 129411202.

It is a cyclic number.

It is not a de Polignac number, because 202114921 - 2⁷ = 202114793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202114892 and 202114901.

It is not an unprimeable number, because it can be changed into a prime (202114901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206385 + ... + 207361.

It is an arithmetic number, because the mean of its divisors is an integer number (13748724).

Almost surely, 2^202114921 is an apocalyptic number.

It is an amenable number.

202114921 is a deficient number, since it is larger than the sum of its proper divisors (17864663).

202114921 is a wasteful number, since it uses less digits than its factorization.

202114921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 202114921 is about 14216.7127353689. The cubic root of 202114921 is about 586.8576795297.

The spelling of 202114921 in words is "two hundred two million, one hundred fourteen thousand, nine hundred twenty-one".