400111212201 has 16 divisors (see below), whose sum is σ = 537099504000. Its totient is φ = 264932114688.

The previous prime is 400111212181. The next prime is 400111212247. The reversal of 400111212201 is 102212111004.

It is not a de Polignac number, because 400111212201 - 2¹⁴ = 400111195817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400111212301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9938625 + ... + 9978801.

It is an arithmetic number, because the mean of its divisors is an integer number (33568719000).

Almost surely, 2^400111212201 is an apocalyptic number.

It is an amenable number.

400111212201 is a deficient number, since it is larger than the sum of its proper divisors (136988291799).

400111212201 is a wasteful number, since it uses less digits than its factorization.

400111212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62608.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 400111212201 its reverse (102212111004), we get a palindrome (502323323205).

The spelling of 400111212201 in words is "four hundred billion, one hundred eleven million, two hundred twelve thousand, two hundred one".