2212210220101 has 12 divisors (see below), whose sum is σ = 2578144153260. Its totient is φ = 1892675211840.

The previous prime is 2212210220057. The next prime is 2212210220107. The reversal of 2212210220101 is 1010220122122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 817850731201 + 1394359488900 = 904351^2 + 1180830^2 .

It is not a de Polignac number, because 2212210220101 - 2²⁹ = 2211673349189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212210220107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41699136 + ... + 41752153.

It is an arithmetic number, because the mean of its divisors is an integer number (214845346105).

Almost surely, 2^{2212210220101} is an apocalyptic number.

It is an amenable number.

2212210220101 is a deficient number, since it is larger than the sum of its proper divisors (365933933159).

2212210220101 is an equidigital number, since it uses as much as digits as its factorization.

2212210220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83451844 (or 83451837 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212210220101 its reverse (1010220122122), we get a palindrome (3222430342223).

The spelling of 2212210220101 in words is "two trillion, two hundred twelve billion, two hundred ten million, two hundred twenty thousand, one hundred one".