2210120100212 has 12 divisors (see below), whose sum is σ = 3869018180580. Its totient is φ = 1104686334336.

The previous prime is 2210120100191. The next prime is 2210120100217. The reversal of 2210120100212 is 2120010210122.

It can be written as a sum of positive squares in 2 ways, for example, as 833707781776 + 1376412318436 = 913076^2 + 1173206^2 .

It is a super-2 number, since 2×2210120100212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210120100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93415637 + ... + 93439292.

It is an arithmetic number, because the mean of its divisors is an integer number (322418181715).

Almost surely, 2^{2210120100212} is an apocalyptic number.

It is an amenable number.

2210120100212 is a deficient number, since it is larger than the sum of its proper divisors (1658898080368).

2210120100212 is a wasteful number, since it uses less digits than its factorization.

2210120100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186857890 (or 186857888 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2210120100212 its reverse (2120010210122), we get a palindrome (4330130310334).

The spelling of 2210120100212 in words is "two trillion, two hundred ten billion, one hundred twenty million, one hundred thousand, two hundred twelve".