401111212134 has 32 divisors (see below), whose sum is σ = 818150613984. Its totient is φ = 131053927680.

The previous prime is 401111212133. The next prime is 401111212157. The reversal of 401111212134 is 431212111104.

It is a self number, because there is not a number n which added to its sum of digits gives 401111212134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401111212133) 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, 282037 + ... + 939024.

It is an arithmetic number, because the mean of its divisors is an integer number (25567206687).

Almost surely, 2^401111212134 is an apocalyptic number.

401111212134 is an abundant number, since it is smaller than the sum of its proper divisors (417039401850).

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

401111212134 is a wasteful number, since it uses less digits than its factorization.

401111212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222152.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 401111212134 its reverse (431212111104), we get a palindrome (832323323238).

The spelling of 401111212134 in words is "four hundred one billion, one hundred eleven million, two hundred twelve thousand, one hundred thirty-four".