2021110222101 has 4 divisors (see below), whose sum is σ = 2694813629472. Its totient is φ = 1347406814732.

The previous prime is 2021110222069. The next prime is 2021110222139. The reversal of 2021110222101 is 1012220111202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021110222101 - 2⁵ = 2021110222069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021110222801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336851703681 + ... + 336851703686.

It is an arithmetic number, because the mean of its divisors is an integer number (673703407368).

Almost surely, 2^{2021110222101} is an apocalyptic number.

It is an amenable number.

2021110222101 is a deficient number, since it is larger than the sum of its proper divisors (673703407371).

2021110222101 is an equidigital number, since it uses as much as digits as its factorization.

2021110222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673703407370.

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

Adding to 2021110222101 its reverse (1012220111202), we get a palindrome (3033330333303).

The spelling of 2021110222101 in words is "two trillion, twenty-one billion, one hundred ten million, two hundred twenty-two thousand, one hundred one".