111221121202202 has 32 divisors (see below), whose sum is σ = 189940139974080. Its totient is φ = 48379814667520.

The previous prime is 111221121202181. The next prime is 111221121202253. The reversal of 111221121202202 is 202202121122111.

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, 771289748 + ... + 771433935.

It is an arithmetic number, because the mean of its divisors is an integer number (5935629374190).

Almost surely, 2^{111221121202202} is an apocalyptic number.

111221121202202 is a deficient number, since it is larger than the sum of its proper divisors (78719018771878).

111221121202202 is a wasteful number, since it uses less digits than its factorization.

111221121202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542723838.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111221121202202 its reverse (202202121122111), we get a palindrome (313423242324313).

The spelling of 111221121202202 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred two thousand, two hundred two".