21202741203 has 16 divisors (see below), whose sum is σ = 33423041280. Its totient is φ = 11698063776.

The previous prime is 21202741177. The next prime is 21202741229. The reversal of 21202741203 is 30214720212.

It is an interprime number because it is at equal distance from previous prime (21202741177) and next prime (21202741229).

It is not a de Polignac number, because 21202741203 - 2¹² = 21202737107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21202741283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17407225 + ... + 17408442.

It is an arithmetic number, because the mean of its divisors is an integer number (2088940080).

Almost surely, 2^21202741203 is an apocalyptic number.

21202741203 is a deficient number, since it is larger than the sum of its proper divisors (12220300077).

21202741203 is a wasteful number, since it uses less digits than its factorization.

21202741203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34815706.

The product of its (nonzero) digits is 1344, while the sum is 24.

The spelling of 21202741203 in words is "twenty-one billion, two hundred two million, seven hundred forty-one thousand, two hundred three".