1220200111112 has 64 divisors (see below), whose sum is σ = 2419145222400. Its totient is φ = 575828352000.

The previous prime is 1220200111099. The next prime is 1220200111121. The reversal of 1220200111112 is 2111110020221.

It is a super-2 number, since 2×1220200111112² (a number of 25 digits) contains 22 as substring.

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, 7898612 + ... + 8051612.

It is an arithmetic number, because the mean of its divisors is an integer number (37799144100).

Almost surely, 2^{1220200111112} is an apocalyptic number.

It is an amenable number.

1220200111112 is a deficient number, since it is larger than the sum of its proper divisors (1198945111288).

1220200111112 is a wasteful number, since it uses less digits than its factorization.

1220200111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153606 (or 153602 counting only the distinct ones).

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

Adding to 1220200111112 its reverse (2111110020221), we get a palindrome (3331310131333).

The spelling of 1220200111112 in words is "one trillion, two hundred twenty billion, two hundred million, one hundred eleven thousand, one hundred twelve".