2011202102180 has 48 divisors (see below), whose sum is σ = 4639111505280. Its totient is φ = 729003230208.

The previous prime is 2011202102179. The next prime is 2011202102243. The reversal of 2011202102180 is 812012021102.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 115048589 + ... + 115066068.

It is an arithmetic number, because the mean of its divisors is an integer number (96648156360).

Almost surely, 2^{2011202102180} is an apocalyptic number.

2011202102180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011202102180 is an abundant number, since it is smaller than the sum of its proper divisors (2627909403100).

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

2011202102180 is a wasteful number, since it uses less digits than its factorization.

2011202102180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230114708 (or 230114706 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 2011202102180 its reverse (812012021102), we get a palindrome (2823214123282).

The spelling of 2011202102180 in words is "two trillion, eleven billion, two hundred two million, one hundred two thousand, one hundred eighty".