111202122102220 has 48 divisors (see below), whose sum is σ = 233581971823200. Its totient is φ = 44469894656000.

The previous prime is 111202122102167. The next prime is 111202122102251. The reversal of 111202122102220 is 22201221202111.

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, 2795478291 + ... + 2795518069.

It is an arithmetic number, because the mean of its divisors is an integer number (4866291079650).

Almost surely, 2^{111202122102220} is an apocalyptic number.

111202122102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202122102220 is an abundant number, since it is smaller than the sum of its proper divisors (122379849720980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111202122102220 is a wasteful number, since it uses less digits than its factorization.

111202122102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70698 (or 70696 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111202122102220 its reverse (22201221202111), we get a palindrome (133403343304331).

The spelling of 111202122102220 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty".