2100221012102 has 16 divisors (see below), whose sum is σ = 3166411094352. Its totient is φ = 1044750944160.

The previous prime is 2100221012093. The next prime is 2100221012107. The reversal of 2100221012102 is 2012101220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100221012107) 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, 24140693 + ... + 24227535.

It is an arithmetic number, because the mean of its divisors is an integer number (197900693397).

Almost surely, 2^{2100221012102} is an apocalyptic number.

2100221012102 is a deficient number, since it is larger than the sum of its proper divisors (1066190082250).

2100221012102 is a wasteful number, since it uses less digits than its factorization.

2100221012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148423.

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

Adding to 2100221012102 its reverse (2012101220012), we get a palindrome (4112322232114).

The spelling of 2100221012102 in words is "two trillion, one hundred billion, two hundred twenty-one million, twelve thousand, one hundred two".