2100221112102 has 16 divisors (see below), whose sum is σ = 4241223217920. Its totient is φ = 693276871752.

The previous prime is 2100221112091. The next prime is 2100221112109. The reversal of 2100221112102 is 2012111220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100221112109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699207402 + ... + 1699208637.

It is an arithmetic number, because the mean of its divisors is an integer number (265076451120).

Almost surely, 2^{2100221112102} is an apocalyptic number.

2100221112102 is an abundant number, since it is smaller than the sum of its proper divisors (2141002105818).

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

2100221112102 is a wasteful number, since it uses less digits than its factorization.

2100221112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398416147.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2100221112102 its reverse (2012111220012), we get a palindrome (4112332332114).

The spelling of 2100221112102 in words is "two trillion, one hundred billion, two hundred twenty-one million, one hundred twelve thousand, one hundred two".