2102220201101 has 4 divisors (see below), whose sum is σ = 2212863369600. Its totient is φ = 1991577032604.

The previous prime is 2102220201077. The next prime is 2102220201197. The reversal of 2102220201101 is 1011020222012.

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 2102220201101 - 2³⁰ = 2101146459277 is a prime.

It is a super-2 number, since 2×2102220201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102220201701) 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, 55321584221 + ... + 55321584258.

It is an arithmetic number, because the mean of its divisors is an integer number (553215842400).

Almost surely, 2^{2102220201101} is an apocalyptic number.

It is an amenable number.

2102220201101 is a deficient number, since it is larger than the sum of its proper divisors (110643168499).

2102220201101 is a wasteful number, since it uses less digits than its factorization.

2102220201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110643168498.

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

Adding to 2102220201101 its reverse (1011020222012), we get a palindrome (3113240423113).

The spelling of 2102220201101 in words is "two trillion, one hundred two billion, two hundred twenty million, two hundred one thousand, one hundred one".