400211211022100 has 36 divisors (see below), whose sum is σ = 868460670980448. Its totient is φ = 160084052508000.

The previous prime is 400211211022087. The next prime is 400211211022111. The reversal of 400211211022100 is 1220112112004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33226505 + ... + 43639695.

Almost surely, 2^{400211211022100} is an apocalyptic number.

It is an amenable number.

400211211022100 is an abundant number, since it is smaller than the sum of its proper divisors (468249459958348).

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

400211211022100 is a wasteful number, since it uses less digits than its factorization.

400211211022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10797536 (or 10797529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 400211211022100 its reverse (1220112112004), we get a palindrome (401431323134104).

The spelling of 400211211022100 in words is "four hundred trillion, two hundred eleven billion, two hundred eleven million, twenty-two thousand, one hundred".