2011220102220 has 96 divisors (see below), whose sum is σ = 6609847738368. Its totient is φ = 447282922752.

The previous prime is 2011220102207. The next prime is 2011220102237. The reversal of 2011220102220 is 222010221102.

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 2011220102220.

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, 64695532 + ... + 64726611.

It is an arithmetic number, because the mean of its divisors is an integer number (68852580608).

Almost surely, 2^{2011220102220} is an apocalyptic number.

2011220102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011220102220 is an abundant number, since it is smaller than the sum of its proper divisors (4598627636148).

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

2011220102220 is a wasteful number, since it uses less digits than its factorization.

2011220102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129422199 (or 129422197 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2011220102220 its reverse (222010221102), we get a palindrome (2233230323322).

The spelling of 2011220102220 in words is "two trillion, eleven billion, two hundred twenty million, one hundred two thousand, two hundred twenty".