401142312111 has 16 divisors (see below), whose sum is σ = 563627561600. Its totient is φ = 253073675808.

The previous prime is 401142312083. The next prime is 401142312119. The reversal of 401142312111 is 111213241104.

It is a de Polignac number, because none of the positive numbers 2^k-401142312111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401142312119) 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, 3827896 + ... + 3931293.

It is an arithmetic number, because the mean of its divisors is an integer number (35226722600).

Almost surely, 2^401142312111 is an apocalyptic number.

401142312111 is a deficient number, since it is larger than the sum of its proper divisors (162485249489).

401142312111 is a wasteful number, since it uses less digits than its factorization.

401142312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760118.

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

Adding to 401142312111 its reverse (111213241104), we get a palindrome (512355553215).

The spelling of 401142312111 in words is "four hundred one billion, one hundred forty-two million, three hundred twelve thousand, one hundred eleven".