120022021001 has 4 divisors (see below), whose sum is σ = 120046425600. Its totient is φ = 119997616404.

The previous prime is 120022020953. The next prime is 120022021061. The reversal of 120022021001 is 100120220021.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-120022021001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120022021061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12194921 + ... + 12204758.

It is an arithmetic number, because the mean of its divisors is an integer number (30011606400).

Almost surely, 2^120022021001 is an apocalyptic number.

It is an amenable number.

120022021001 is a deficient number, since it is larger than the sum of its proper divisors (24404599).

120022021001 is an equidigital number, since it uses as much as digits as its factorization.

120022021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24404598.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120022021001 its reverse (100120220021), we get a palindrome (220142241022).

It can be divided in two parts, 1200220 and 21001, that added together give a palindrome (1221221).

The spelling of 120022021001 in words is "one hundred twenty billion, twenty-two million, twenty-one thousand, one".