1011401111100 has 72 divisors (see below), whose sum is σ = 2927256112368. Its totient is φ = 269620736000.

The previous prime is 1011401111099. The next prime is 1011401111101. The reversal of 1011401111100 is 11111041101.

It is an interprime number because it is at equal distance from previous prime (1011401111099) and next prime (1011401111101).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011401111101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403750 + ... + 1478450.

It is an arithmetic number, because the mean of its divisors is an integer number (40656334894).

Almost surely, 2^{1011401111100} is an apocalyptic number.

1011401111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011401111100 is an abundant number, since it is smaller than the sum of its proper divisors (1915855001268).

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

1011401111100 is a wasteful number, since it uses less digits than its factorization.

1011401111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077855 (or 1077848 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1011401111100 its reverse (11111041101), we get a palindrome (1022512152201).

The spelling of 1011401111100 in words is "one trillion, eleven billion, four hundred one million, one hundred eleven thousand, one hundred".