2100240404402 has 16 divisors (see below), whose sum is σ = 3600460023360. Its totient is φ = 900091055088.

The previous prime is 2100240404363. The next prime is 2100240404441. The reversal of 2100240404402 is 2044040420012.

It is an interprime number because it is at equal distance from previous prime (2100240404363) and next prime (2100240404441).

It is a super-2 number, since 2×2100240404402² (a number of 25 digits) contains 22 as substring.

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, 136373 + ... + 2054039.

It is an arithmetic number, because the mean of its divisors is an integer number (225028751460).

Almost surely, 2^{2100240404402} is an apocalyptic number.

2100240404402 is a deficient number, since it is larger than the sum of its proper divisors (1500219618958).

2100240404402 is a wasteful number, since it uses less digits than its factorization.

2100240404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995905.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 2100240404402 its reverse (2044040420012), we get a palindrome (4144280824414).

The spelling of 2100240404402 in words is "two trillion, one hundred billion, two hundred forty million, four hundred four thousand, four hundred two".