2101010222101 has 4 divisors (see below), whose sum is σ = 2401154539552. Its totient is φ = 1800865904652.

The previous prime is 2101010222039. The next prime is 2101010222123. The reversal of 2101010222101 is 1012220101012.

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 2101010222101 - 2⁹ = 2101010221589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101010222141) 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, 150072158715 + ... + 150072158728.

It is an arithmetic number, because the mean of its divisors is an integer number (600288634888).

Almost surely, 2^{2101010222101} is an apocalyptic number.

It is an amenable number.

2101010222101 is a deficient number, since it is larger than the sum of its proper divisors (300144317451).

2101010222101 is an equidigital number, since it uses as much as digits as its factorization.

2101010222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300144317450.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101010222101 its reverse (1012220101012), we get a palindrome (3113230323113).

The spelling of 2101010222101 in words is "two trillion, one hundred one billion, ten million, two hundred twenty-two thousand, one hundred one".