100020011121010 has 16 divisors (see below), whose sum is σ = 180081912522816. Its totient is φ = 39997806113968.

The previous prime is 100020011120993. The next prime is 100020011121029. The reversal of 100020011121010 is 10121110020001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274750614 + ... + 1274829073.

It is an arithmetic number, because the mean of its divisors is an integer number (11255119532676).

Almost surely, 2^{100020011121010} is an apocalyptic number.

100020011121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100020011121010 is a deficient number, since it is larger than the sum of its proper divisors (80061901401806).

100020011121010 is a wasteful number, since it uses less digits than its factorization.

100020011121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549583617.

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

Adding to 100020011121010 its reverse (10121110020001), we get a palindrome (110141121141011).

The spelling of 100020011121010 in words is "one hundred trillion, twenty billion, eleven million, one hundred twenty-one thousand, ten".