2102211011101 has 4 divisors (see below), whose sum is σ = 2102233847104. Its totient is φ = 2102188175100.

The previous prime is 2102211011099. The next prime is 2102211011141. The reversal of 2102211011101 is 1011101122012.

It is a happy number.

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 2102211011101 - 2¹ = 2102211011099 is a prime.

It is a super-2 number, since 2×2102211011101² (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 (2102211011141) 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, 11279355 + ... + 11464216.

It is an arithmetic number, because the mean of its divisors is an integer number (525558461776).

Almost surely, 2^{2102211011101} is an apocalyptic number.

It is an amenable number.

2102211011101 is a deficient number, since it is larger than the sum of its proper divisors (22836003).

2102211011101 is an equidigital number, since it uses as much as digits as its factorization.

2102211011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22836002.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2102211011101 its reverse (1011101122012), we get a palindrome (3113312133113).

The spelling of 2102211011101 in words is "two trillion, one hundred two billion, two hundred eleven million, eleven thousand, one hundred one".