1401231111102 has 24 divisors (see below), whose sum is σ = 3037256937936. Its totient is φ = 466883775936.

The previous prime is 1401231111053. The next prime is 1401231111157. The reversal of 1401231111102 is 2011111321041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16060378 + ... + 16147389.

It is an arithmetic number, because the mean of its divisors is an integer number (126552372414).

Almost surely, 2^{1401231111102} is an apocalyptic number.

1401231111102 is an abundant number, since it is smaller than the sum of its proper divisors (1636025826834).

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

1401231111102 is a wasteful number, since it uses less digits than its factorization.

1401231111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32210192 (or 32210189 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1401231111102 its reverse (2011111321041), we get a palindrome (3412342432143).

The spelling of 1401231111102 in words is "one trillion, four hundred one billion, two hundred thirty-one million, one hundred eleven thousand, one hundred two".