21020210022202 has 32 divisors (see below), whose sum is σ = 32441372498304. Its totient is φ = 10208749478400.

The previous prime is 21020210022131. The next prime is 21020210022223. The reversal of 21020210022202 is 20222001202012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21704403 + ... + 22652185.

It is an arithmetic number, because the mean of its divisors is an integer number (1013792890572).

Almost surely, 2^{21020210022202} is an apocalyptic number.

21020210022202 is a deficient number, since it is larger than the sum of its proper divisors (11421162476102).

21020210022202 is a wasteful number, since it uses less digits than its factorization.

21020210022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949014.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21020210022202 its reverse (20222001202012), we get a palindrome (41242211224214).

The spelling of 21020210022202 in words is "twenty-one trillion, twenty billion, two hundred ten million, twenty-two thousand, two hundred two".