100112101022021 has 4 divisors (see below), whose sum is σ = 109213201114944. Its totient is φ = 91011000929100.

The previous prime is 100112101021993. The next prime is 100112101022057. The reversal of 100112101022021 is 120220101211001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100112101022021 - 2⁴² = 95714054510917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100112101021987 and 100112101022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112101022081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4550550046445 + ... + 4550550046466.

It is an arithmetic number, because the mean of its divisors is an integer number (27303300278736).

Almost surely, 2^{100112101022021} is an apocalyptic number.

100112101022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100112101022021 is a deficient number, since it is larger than the sum of its proper divisors (9101100092923).

100112101022021 is an equidigital number, since it uses as much as digits as its factorization.

100112101022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101100092922.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100112101022021 its reverse (120220101211001), we get a palindrome (220332202233022).

The spelling of 100112101022021 in words is "one hundred trillion, one hundred twelve billion, one hundred one million, twenty-two thousand, twenty-one".