2101100122201 has 4 divisors (see below), whose sum is σ = 2101523139072. Its totient is φ = 2100677105332.

The previous prime is 2101100122181. The next prime is 2101100122273. The reversal of 2101100122201 is 1022210011012.

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 2101100122201 - 2¹¹ = 2101100120153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101100123201) 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, 211500985 + ... + 211510918.

It is an arithmetic number, because the mean of its divisors is an integer number (525380784768).

Almost surely, 2^{2101100122201} is an apocalyptic number.

It is an amenable number.

2101100122201 is a deficient number, since it is larger than the sum of its proper divisors (423016871).

2101100122201 is an equidigital number, since it uses as much as digits as its factorization.

2101100122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423016870.

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

Adding to 2101100122201 its reverse (1022210011012), we get a palindrome (3123310133213).

The spelling of 2101100122201 in words is "two trillion, one hundred one billion, one hundred million, one hundred twenty-two thousand, two hundred one".