2102213302040 has 64 divisors (see below), whose sum is σ = 4752237772800. Its totient is φ = 836930040192.

The previous prime is 2102213302039. The next prime is 2102213302043. The reversal of 2102213302040 is 402033122012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102213302043) 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 15 ways as a sum of consecutive naturals, for example, 44781701 + ... + 44828619.

It is an arithmetic number, because the mean of its divisors is an integer number (74253715200).

Almost surely, 2^{2102213302040} is an apocalyptic number.

2102213302040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102213302040 is an abundant number, since it is smaller than the sum of its proper divisors (2650024470760).

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

2102213302040 is a wasteful number, since it uses less digits than its factorization.

2102213302040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52176 (or 52172 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2102213302040 its reverse (402033122012), we get a palindrome (2504246424052).

The spelling of 2102213302040 in words is "two trillion, one hundred two billion, two hundred thirteen million, three hundred two thousand, forty".