2220121200122 has 32 divisors (see below), whose sum is σ = 3816847440000. Its totient is φ = 948752656128.

The previous prime is 2220121200119. The next prime is 2220121200131. The reversal of 2220121200122 is 2210021210222.

It is a happy number.

It is a super-2 number, since 2×2220121200122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220121200122.

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 15 ways as a sum of consecutive naturals, for example, 7536254 + ... + 7825302.

It is an arithmetic number, because the mean of its divisors is an integer number (119276482500).

Almost surely, 2^{2220121200122} is an apocalyptic number.

2220121200122 is a deficient number, since it is larger than the sum of its proper divisors (1596726239878).

2220121200122 is a wasteful number, since it uses less digits than its factorization.

2220121200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290630.

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

Adding to 2220121200122 its reverse (2210021210222), we get a palindrome (4430142410344).

The spelling of 2220121200122 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thousand, one hundred twenty-two".