100020101211100 has 36 divisors (see below), whose sum is σ = 248049851005264. Its totient is φ = 34292606129280.

The previous prime is 100020101211089. The next prime is 100020101211131. The reversal of 100020101211100 is 1112101020001.

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

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, 71442928737 + ... + 71442930136.

Almost surely, 2^{100020101211100} is an apocalyptic number.

100020101211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020101211100 is an abundant number, since it is smaller than the sum of its proper divisors (148029749794164).

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

100020101211100 is a wasteful number, since it uses less digits than its factorization.

100020101211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142885858894 (or 142885858887 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100020101211100 its reverse (1112101020001), we get a palindrome (101132202231101).

The spelling of 100020101211100 in words is "one hundred trillion, twenty billion, one hundred one million, two hundred eleven thousand, one hundred".