122021020101 has 4 divisors (see below), whose sum is σ = 162694693472. Its totient is φ = 81347346732.

The previous prime is 122021020073. The next prime is 122021020103. The reversal of 122021020101 is 101020120221.

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 not a de Polignac number, because 122021020101 - 2²⁵ = 121987465669 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 (122021020103) 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, 20336836681 + ... + 20336836686.

It is an arithmetic number, because the mean of its divisors is an integer number (40673673368).

Almost surely, 2^122021020101 is an apocalyptic number.

It is an amenable number.

122021020101 is a deficient number, since it is larger than the sum of its proper divisors (40673673371).

122021020101 is an equidigital number, since it uses as much as digits as its factorization.

122021020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40673673370.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122021020101 its reverse (101020120221), we get a palindrome (223041140322).

The spelling of 122021020101 in words is "one hundred twenty-two billion, twenty-one million, twenty thousand, one hundred one".