12210110220101 has 16 divisors (see below), whose sum is σ = 13111753153968. Its totient is φ = 11328996556800.

The previous prime is 12210110219953. The next prime is 12210110220103. The reversal of 12210110220101 is 10102201101221.

It can be written as a sum of positive squares in 8 ways, for example, as 284318236225 + 11925791983876 = 533215^2 + 3453374^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210110220101 - 2³⁸ = 11935232313157 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 (12210110220103) 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, 218531 + ... + 4946511.

It is an arithmetic number, because the mean of its divisors is an integer number (819484572123).

Almost surely, 2^{12210110220101} is an apocalyptic number.

It is an amenable number.

12210110220101 is a deficient number, since it is larger than the sum of its proper divisors (901642933867).

12210110220101 is a wasteful number, since it uses less digits than its factorization.

12210110220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730152.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12210110220101 its reverse (10102201101221), we get a palindrome (22312311321322).

The spelling of 12210110220101 in words is "twelve trillion, two hundred ten billion, one hundred ten million, two hundred twenty thousand, one hundred one".