2102211022100 has 36 divisors (see below), whose sum is σ = 5213483336544. Its totient is φ = 720758064480.

The previous prime is 2102211022099. The next prime is 2102211022111. The reversal of 2102211022100 is 12201122012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501578602 + ... + 1501580001.

Almost surely, 2^{2102211022100} is an apocalyptic number.

2102211022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102211022100 is an abundant number, since it is smaller than the sum of its proper divisors (3111272314444).

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

2102211022100 is a wasteful number, since it uses less digits than its factorization.

2102211022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003158624 (or 3003158617 counting only the distinct ones).

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

Adding to 2102211022100 its reverse (12201122012), we get a palindrome (2114412144112).

It can be divided in two parts, 210221 and 1022100, that added together give a palindrome (1232321).

The spelling of 2102211022100 in words is "two trillion, one hundred two billion, two hundred eleven million, twenty-two thousand, one hundred".