100020120010111 has 16 divisors (see below), whose sum is σ = 121047549431040. Its totient is φ = 80678634065280.

The previous prime is 100020120010091. The next prime is 100020120010121. The reversal of 100020120010111 is 111010021020001.

It is not a de Polignac number, because 100020120010111 - 2²³ = 100020111621503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020120010121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50408605 + ... + 52355206.

It is an arithmetic number, because the mean of its divisors is an integer number (7565471839440).

Almost surely, 2^{100020120010111} is an apocalyptic number.

100020120010111 is a deficient number, since it is larger than the sum of its proper divisors (21027429420929).

100020120010111 is a wasteful number, since it uses less digits than its factorization.

100020120010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102772014.

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

Adding to 100020120010111 its reverse (111010021020001), we get a palindrome (211030141030112).

The spelling of 100020120010111 in words is "one hundred trillion, twenty billion, one hundred twenty million, ten thousand, one hundred eleven".