1012101111100 has 18 divisors (see below), whose sum is σ = 2196259411304. Its totient is φ = 404840444400.

The previous prime is 1012101111011. The next prime is 1012101111101. The reversal of 1012101111100 is 11111012101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012101111101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5060505456 + ... + 5060505655.

Almost surely, 2^{1012101111100} is an apocalyptic number.

1012101111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012101111100 is an abundant number, since it is smaller than the sum of its proper divisors (1184158300204).

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

1012101111100 is a wasteful number, since it uses less digits than its factorization.

1012101111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121011125 (or 10121011118 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1012101111100 its reverse (11111012101), we get a palindrome (1023212123201).

The spelling of 1012101111100 in words is "one trillion, twelve billion, one hundred one million, one hundred eleven thousand, one hundred".