2102011220212 has 12 divisors (see below), whose sum is σ = 3894903143460. Its totient is φ = 989181750656.

The previous prime is 2102011220207. The next prime is 2102011220251. The reversal of 2102011220212 is 2120221102012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1925000853136 + 177010367076 = 1387444^2 + 420726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15455964787 + ... + 15455964922.

It is an arithmetic number, because the mean of its divisors is an integer number (324575261955).

Almost surely, 2^{2102011220212} is an apocalyptic number.

It is an amenable number.

2102011220212 is a deficient number, since it is larger than the sum of its proper divisors (1792891923248).

2102011220212 is a wasteful number, since it uses less digits than its factorization.

2102011220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30911929730 (or 30911929728 counting only the distinct ones).

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

Adding to 2102011220212 its reverse (2120221102012), we get a palindrome (4222232322224).

The spelling of 2102011220212 in words is "two trillion, one hundred two billion, eleven million, two hundred twenty thousand, two hundred twelve".