1022111221202 has 8 divisors (see below), whose sum is σ = 1534232275200. Its totient is φ = 510700462804.

The previous prime is 1022111221171. The next prime is 1022111221247. The reversal of 1022111221202 is 2021221112201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1022111221202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 177570302 + ... + 177576057.

It is an arithmetic number, because the mean of its divisors is an integer number (191779034400).

Almost surely, 2^{1022111221202} is an apocalyptic number.

1022111221202 is a deficient number, since it is larger than the sum of its proper divisors (512121053998).

1022111221202 is a wasteful number, since it uses less digits than its factorization.

1022111221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355147800.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022111221202 its reverse (2021221112201), we get a palindrome (3043332333403).

The spelling of 1022111221202 in words is "one trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred two".