2211021102180 has 96 divisors (see below), whose sum is σ = 6835034078208. Its totient is φ = 529547209600.

The previous prime is 2211021102163. The next prime is 2211021102181. The reversal of 2211021102180 is 812011201122.

It is a super-2 number, since 2×2211021102180² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211021102181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20126136 + ... + 20235695.

It is an arithmetic number, because the mean of its divisors is an integer number (71198271648).

Almost surely, 2^{2211021102180} is an apocalyptic number.

2211021102180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211021102180 is an abundant number, since it is smaller than the sum of its proper divisors (4624012976028).

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

2211021102180 is a wasteful number, since it uses less digits than its factorization.

2211021102180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40361937 (or 40361935 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 2211021102180 in words is "two trillion, two hundred eleven billion, twenty-one million, one hundred two thousand, one hundred eighty".