11220210202180 has 48 divisors (see below), whose sum is σ = 26928774988416. Its totient is φ = 3846890568960.

The previous prime is 11220210202177. The next prime is 11220210202181. The reversal of 11220210202180 is 8120201202211.

It is a super-2 number, since 2×11220210202180² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11220210202181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15947592 + ... + 16636288.

It is an arithmetic number, because the mean of its divisors is an integer number (561016145592).

Almost surely, 2^{11220210202180} is an apocalyptic number.

11220210202180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220210202180 is an abundant number, since it is smaller than the sum of its proper divisors (15708564786236).

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

11220210202180 is a wasteful number, since it uses less digits than its factorization.

11220210202180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805084 (or 805082 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 11220210202180 its reverse (8120201202211), we get a palindrome (19340411404391).

The spelling of 11220210202180 in words is "eleven trillion, two hundred twenty billion, two hundred ten million, two hundred two thousand, one hundred eighty".