1111203002220 has 48 divisors (see below), whose sum is σ = 3116954439648. Its totient is φ = 295788797440.

The previous prime is 1111203002213. The next prime is 1111203002249. The reversal of 1111203002220 is 222003021111.

It is a super-2 number, since 2×1111203002220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1111203002220.

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, 16591401 + ... + 16658240.

It is an arithmetic number, because the mean of its divisors is an integer number (64936550826).

Almost surely, 2^{1111203002220} is an apocalyptic number.

1111203002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111203002220 is an abundant number, since it is smaller than the sum of its proper divisors (2005751437428).

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

1111203002220 is a wasteful number, since it uses less digits than its factorization.

1111203002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33250210 (or 33250208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1111203002220 its reverse (222003021111), we get a palindrome (1333206023331).

The spelling of 1111203002220 in words is "one trillion, one hundred eleven billion, two hundred three million, two thousand, two hundred twenty".