400011111022202 has 16 divisors (see below), whose sum is σ = 606843540052200. Its totient is φ = 197730561473280.

The previous prime is 400011111022157. The next prime is 400011111022241. The reversal of 400011111022202 is 202220111110004.

It can be written as a sum of positive squares in 4 ways, for example, as 336923976429121 + 63087134593081 = 18355489^2 + 7942741^2 .

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, 156344549 + ... + 158882472.

Almost surely, 2^{400011111022202} is an apocalyptic number.

400011111022202 is a deficient number, since it is larger than the sum of its proper divisors (206832429029998).

400011111022202 is a wasteful number, since it uses less digits than its factorization.

400011111022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315234241.

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

Adding to 400011111022202 its reverse (202220111110004), we get a palindrome (602231222132206).

The spelling of 400011111022202 in words is "four hundred trillion, eleven billion, one hundred eleven million, twenty-two thousand, two hundred two".