2102221021101 has 8 divisors (see below), whose sum is σ = 2811278755584. Its totient is φ = 1397321983680.

The previous prime is 2102221021097. The next prime is 2102221021123. The reversal of 2102221021101 is 1011201222012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2102221021101 - 2² = 2102221021097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102221021001) 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, 1039673085 + ... + 1039675106.

It is an arithmetic number, because the mean of its divisors is an integer number (351409844448).

Almost surely, 2^{2102221021101} is an apocalyptic number.

It is an amenable number.

2102221021101 is a deficient number, since it is larger than the sum of its proper divisors (709057734483).

2102221021101 is a wasteful number, since it uses less digits than its factorization.

2102221021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079348531.

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

Adding to 2102221021101 its reverse (1011201222012), we get a palindrome (3113422243113).

The spelling of 2102221021101 in words is "two trillion, one hundred two billion, two hundred twenty-one million, twenty-one thousand, one hundred one".