111101220200 has 48 divisors (see below), whose sum is σ = 258461230860. Its totient is φ = 44414528000.

The previous prime is 111101220173. The next prime is 111101220229. The reversal of 111101220200 is 2022101111.

It can be written as a sum of positive squares in 6 ways, for example, as 30505416964 + 80595803236 = 174658^2 + 283894^2 .

It is a super-2 number, since 2×111101220200² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182810 + ... + 505590.

Almost surely, 2^111101220200 is an apocalyptic number.

111101220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101220200 is an abundant number, since it is smaller than the sum of its proper divisors (147360010660).

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

111101220200 is a wasteful number, since it uses less digits than its factorization.

111101220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324518 (or 324509 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111101220200 its reverse (2022101111), we get a palindrome (113123321311).

The spelling of 111101220200 in words is "one hundred eleven billion, one hundred one million, two hundred twenty thousand, two hundred".