1111201102220 has 24 divisors (see below), whose sum is σ = 2545660707408. Its totient is φ = 404073128000.

The previous prime is 1111201102183. The next prime is 1111201102259. The reversal of 1111201102220 is 222011021111.

It is a junction number, because it is equal to n+sod(n) for n = 1111201102195 and 1111201102204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525456831 + ... + 2525457270.

It is an arithmetic number, because the mean of its divisors is an integer number (106069196142).

Almost surely, 2^{1111201102220} is an apocalyptic number.

1111201102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111201102220 is an abundant number, since it is smaller than the sum of its proper divisors (1434459605188).

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

1111201102220 is a wasteful number, since it uses less digits than its factorization.

1111201102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050914121 (or 5050914119 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111201102220 its reverse (222011021111), we get a palindrome (1333212123331).

The spelling of 1111201102220 in words is "one trillion, one hundred eleven billion, two hundred one million, one hundred two thousand, two hundred twenty".