1012202011100 has 108 divisors (see below), whose sum is σ = 2556539011656. Its totient is φ = 346843486080.

The previous prime is 1012202011097. The next prime is 1012202011111. The reversal of 1012202011100 is 11102022101.

It is a super-2 number, since 2×1012202011100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8698502 + ... + 8814098.

Almost surely, 2^{1012202011100} is an apocalyptic number.

1012202011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012202011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278269505828).

1012202011100 is an abundant number, since it is smaller than the sum of its proper divisors (1544337000556).

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

1012202011100 is a wasteful number, since it uses less digits than its factorization.

1012202011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117412 (or 117398 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012202011100 its reverse (11102022101), we get a palindrome (1023304033201).

The spelling of 1012202011100 in words is "one trillion, twelve billion, two hundred two million, eleven thousand, one hundred".