2102040221012 has 24 divisors (see below), whose sum is σ = 3681201724200. Its totient is φ = 1050268553216.

The previous prime is 2102040221009. The next prime is 2102040221023. The reversal of 2102040221012 is 2101220402012.

It can be written as a sum of positive squares in 4 ways, for example, as 142812944836 + 1959227276176 = 377906^2 + 1399724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36908414 + ... + 36965322.

It is an arithmetic number, because the mean of its divisors is an integer number (153383405175).

Almost surely, 2^{2102040221012} is an apocalyptic number.

It is an amenable number.

2102040221012 is a deficient number, since it is larger than the sum of its proper divisors (1579161503188).

2102040221012 is a wasteful number, since it uses less digits than its factorization.

2102040221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63355 (or 63353 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2102040221012 its reverse (2101220402012), we get a palindrome (4203260623024).

The spelling of 2102040221012 in words is "two trillion, one hundred two billion, forty million, two hundred twenty-one thousand, twelve".