100122012101 has 4 divisors (see below), whose sum is σ = 100142880000. Its totient is φ = 100101144204.

The previous prime is 100122012079. The next prime is 100122012131. The reversal of 100122012101 is 101210221001.

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 100122012101 - 2¹⁸ = 100121749957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122012131) 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, 10426751 + ... + 10436348.

It is an arithmetic number, because the mean of its divisors is an integer number (25035720000).

Almost surely, 2^100122012101 is an apocalyptic number.

It is an amenable number.

100122012101 is a deficient number, since it is larger than the sum of its proper divisors (20867899).

100122012101 is an equidigital number, since it uses as much as digits as its factorization.

100122012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20867898.

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

Adding to 100122012101 its reverse (101210221001), we get a palindrome (201332233102).

The spelling of 100122012101 in words is "one hundred billion, one hundred twenty-two million, twelve thousand, one hundred one".