2211102220100 has 18 divisors (see below), whose sum is σ = 4798091817834. Its totient is φ = 884440888000.

The previous prime is 2211102220087. The next prime is 2211102220111. The reversal of 2211102220100 is 10222011122.

It can be written as a sum of positive squares in 3 ways, for example, as 78661177156 + 2132441042944 = 280466^2 + 1460288^2 .

It is a super-2 number, since 2×2211102220100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11055511001 + ... + 11055511200.

Almost surely, 2^{2211102220100} is an apocalyptic number.

2211102220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211102220100 is an abundant number, since it is smaller than the sum of its proper divisors (2586989597734).

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

2211102220100 is a wasteful number, since it uses less digits than its factorization.

2211102220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111022215 (or 22111022208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2211102220100 its reverse (10222011122), we get a palindrome (2221324231222).

The spelling of 2211102220100 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred twenty thousand, one hundred".