2231201102100 has 144 divisors (see below), whose sum is σ = 6665813360640. Its totient is φ = 575624534400.

The previous prime is 2231201102099. The next prime is 2231201102111. The reversal of 2231201102100 is 12011021322.

It is a super-3 number, since 3×2231201102100³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2231201102100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33288421 + ... + 33355379.

It is an arithmetic number, because the mean of its divisors is an integer number (46290370560).

Almost surely, 2^{2231201102100} is an apocalyptic number.

2231201102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231201102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3332906680320).

2231201102100 is an abundant number, since it is smaller than the sum of its proper divisors (4434612258540).

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

2231201102100 is a wasteful number, since it uses less digits than its factorization.

2231201102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70590 (or 70583 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2231201102100 its reverse (12011021322), we get a palindrome (2243212123422).

The spelling of 2231201102100 in words is "two trillion, two hundred thirty-one billion, two hundred one million, one hundred two thousand, one hundred".