2021021002210 has 16 divisors (see below), whose sum is σ = 4157528918976. Its totient is φ = 692921486448.

The previous prime is 2021021002193. The next prime is 2021021002229. The reversal of 2021021002210 is 122001201202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14435864232 + ... + 14435864371.

It is an arithmetic number, because the mean of its divisors is an integer number (259845557436).

Almost surely, 2^{2021021002210} is an apocalyptic number.

2021021002210 is an abundant number, since it is smaller than the sum of its proper divisors (2136507916766).

2021021002210 is a wasteful number, since it uses less digits than its factorization.

2021021002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28871728617.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021021002210 its reverse (122001201202), we get a palindrome (2143022203412).

The spelling of 2021021002210 in words is "two trillion, twenty-one billion, twenty-one million, two thousand, two hundred ten".