2220021102122 has 32 divisors (see below), whose sum is σ = 3488665669632. Its totient is φ = 1057520662704.

The previous prime is 2220021102107. The next prime is 2220021102139. The reversal of 2220021102122 is 2212011200222.

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 2220021102122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29734883 + ... + 29809449.

It is an arithmetic number, because the mean of its divisors is an integer number (109020802176).

Almost surely, 2^{2220021102122} is an apocalyptic number.

2220021102122 is a deficient number, since it is larger than the sum of its proper divisors (1268644567510).

2220021102122 is a wasteful number, since it uses less digits than its factorization.

2220021102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77162.

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

Adding to 2220021102122 its reverse (2212011200222), we get a palindrome (4432032302344).

The spelling of 2220021102122 in words is "two trillion, two hundred twenty billion, twenty-one million, one hundred two thousand, one hundred twenty-two".