220210211021021 has 32 divisors (see below), whose sum is σ = 250160999088000. Its totient is φ = 192415402126080.

The previous prime is 220210211020931. The next prime is 220210211021027. The reversal of 220210211021021 is 120120112012022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220210211021021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210211021027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8535371 + ... + 22655528.

It is an arithmetic number, because the mean of its divisors is an integer number (7817531221500).

Almost surely, 2^{220210211021021} is an apocalyptic number.

It is an amenable number.

220210211021021 is a deficient number, since it is larger than the sum of its proper divisors (29950788066979).

220210211021021 is a wasteful number, since it uses less digits than its factorization.

220210211021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31191309.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220210211021021 its reverse (120120112012022), we get a palindrome (340330323033043).

The spelling of 220210211021021 in words is "two hundred twenty trillion, two hundred ten billion, two hundred eleven million, twenty-one thousand, twenty-one".