1201022220122 has 16 divisors (see below), whose sum is σ = 1860243840000. Its totient is φ = 580953367920.

The previous prime is 1201022220119. The next prime is 1201022220149. The reversal of 1201022220122 is 2210222201021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201022220122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911997 + ... + 3298752.

It is an arithmetic number, because the mean of its divisors is an integer number (116265240000).

Almost surely, 2^{1201022220122} is an apocalyptic number.

1201022220122 is a deficient number, since it is larger than the sum of its proper divisors (659221619878).

1201022220122 is a wasteful number, since it uses less digits than its factorization.

1201022220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213901.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1201022220122 its reverse (2210222201021), we get a palindrome (3411244421143).

The spelling of 1201022220122 in words is "one trillion, two hundred one billion, twenty-two million, two hundred twenty thousand, one hundred twenty-two".