2202120102122 has 4 divisors (see below), whose sum is σ = 3303180153186. Its totient is φ = 1101060051060.

The previous prime is 2202120102041. The next prime is 2202120102167. The reversal of 2202120102122 is 2212010212022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1684858516441 + 517261585681 = 1298021^2 + 719209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2202120102122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550530025529 + ... + 550530025532.

Almost surely, 2^{2202120102122} is an apocalyptic number.

2202120102122 is a deficient number, since it is larger than the sum of its proper divisors (1101060051064).

2202120102122 is a wasteful number, since it uses less digits than its factorization.

2202120102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101060051063.

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

Adding to 2202120102122 its reverse (2212010212022), we get a palindrome (4414130314144).

The spelling of 2202120102122 in words is "two trillion, two hundred two billion, one hundred twenty million, one hundred two thousand, one hundred twenty-two".