2102211303012 has 18 divisors (see below), whose sum is σ = 5313923016038. Its totient is φ = 700737100992.

The previous prime is 2102211302977. The next prime is 2102211303013. The reversal of 2102211303012 is 2103031122012.

2102211303012 is a `hidden beast` number, since 2 + 10 + 221 + 130 + 301 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1982672389476 + 119538913536 = 1408074^2 + 345744^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2102211303012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2102211303013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29197379173 + ... + 29197379244.

Almost surely, 2^{2102211303012} is an apocalyptic number.

It is an amenable number.

2102211303012 is an abundant number, since it is smaller than the sum of its proper divisors (3211711713026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102211303012 is a wasteful number, since it uses less digits than its factorization.

2102211303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58394758427 (or 58394758422 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2102211303012 its reverse (2103031122012), we get a palindrome (4205242425024).

The spelling of 2102211303012 in words is "two trillion, one hundred two billion, two hundred eleven million, three hundred three thousand, twelve".