2211312102100 has 18 divisors (see below), whose sum is σ = 4798547261774. Its totient is φ = 884524840800.

The previous prime is 2211312102091. The next prime is 2211312102119. The reversal of 2211312102100 is 12012131122.

It can be written as a sum of positive squares in 3 ways, for example, as 43150091076 + 2168162011024 = 207726^2 + 1472468^2 .

It is a congruent number.

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, 11056560411 + ... + 11056560610.

Almost surely, 2^{2211312102100} is an apocalyptic number.

2211312102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211312102100 is an abundant number, since it is smaller than the sum of its proper divisors (2587235159674).

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

2211312102100 is a wasteful number, since it uses less digits than its factorization.

2211312102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22113121035 (or 22113121028 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2211312102100 its reverse (12012131122), we get a palindrome (2223324233222).

The spelling of 2211312102100 in words is "two trillion, two hundred eleven billion, three hundred twelve million, one hundred two thousand, one hundred".