120020002100122 has 8 divisors (see below), whose sum is σ = 180030057405876. Its totient is φ = 60009982964832.

The previous prime is 120020002100111. The next prime is 120020002100123. The reversal of 120020002100122 is 221001200020021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119999558533761 + 20443566361 = 10954431^2 + 142981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120020002100122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120020002100123) 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, 1902318 + ... + 15609574.

Almost surely, 2^{120020002100122} is an apocalyptic number.

120020002100122 is a deficient number, since it is larger than the sum of its proper divisors (60010055305754).

120020002100122 is a wasteful number, since it uses less digits than its factorization.

120020002100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18085232.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120020002100122 its reverse (221001200020021), we get a palindrome (341021202120143).

The spelling of 120020002100122 in words is "one hundred twenty trillion, twenty billion, two million, one hundred thousand, one hundred twenty-two".