1000011012100 has 36 divisors (see below), whose sum is σ = 2173042166400. Its totient is φ = 399448041760.

The previous prime is 1000011012079. The next prime is 1000011012109. The reversal of 1000011012100 is 12101100001.

It is not an unprimeable number, because it can be changed into a prime (1000011012109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6882280 + ... + 7026079.

It is an arithmetic number, because the mean of its divisors is an integer number (60362282400).

Almost surely, 2^{1000011012100} is an apocalyptic number.

1000011012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000011012100 is an abundant number, since it is smaller than the sum of its proper divisors (1173031154300).

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

1000011012100 is a wasteful number, since it uses less digits than its factorization.

1000011012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13909092 (or 13909085 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1000011012100 its reverse (12101100001), we get a palindrome (1012112112101).

The spelling of 1000011012100 in words is "one trillion, eleven million, twelve thousand, one hundred".