2210221101021 has 16 divisors (see below), whose sum is σ = 3031201905600. Its totient is φ = 1431481379328.

The previous prime is 2210221101019. The next prime is 2210221101029. The reversal of 2210221101021 is 1201011220122.

It is not a de Polignac number, because 2210221101021 - 2¹ = 2210221101019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210221101029) 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, 15034516 + ... + 15180813.

It is an arithmetic number, because the mean of its divisors is an integer number (189450119100).

Almost surely, 2^{2210221101021} is an apocalyptic number.

It is an amenable number.

2210221101021 is a deficient number, since it is larger than the sum of its proper divisors (820980804579).

2210221101021 is a wasteful number, since it uses less digits than its factorization.

2210221101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30216028.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2210221101021 its reverse (1201011220122), we get a palindrome (3411232321143).

The spelling of 2210221101021 in words is "two trillion, two hundred ten billion, two hundred twenty-one million, one hundred one thousand, twenty-one".