1011002002220 has 96 divisors (see below), whose sum is σ = 2520594671616. Its totient is φ = 333411724800.

The previous prime is 1011002002183. The next prime is 1011002002273. The reversal of 1011002002220 is 222002001101.

It is a happy number.

1011002002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 832832 + ... + 1647911.

It is an arithmetic number, because the mean of its divisors is an integer number (26256194496).

Almost surely, 2^{1011002002220} is an apocalyptic number.

1011002002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011002002220 is an abundant number, since it is smaller than the sum of its proper divisors (1509592669396).

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

1011002002220 is a wasteful number, since it uses less digits than its factorization.

1011002002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480871 (or 2480869 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1011002002220 its reverse (222002001101), we get a palindrome (1233004003321).

The spelling of 1011002002220 in words is "one trillion, eleven billion, two million, two thousand, two hundred twenty".