2211012101 has 12 divisors (see below), whose sum is σ = 2316005676. Its totient is φ = 2110311360.

The previous prime is 2211012091. The next prime is 2211012143. The reversal of 2211012101 is 1012101122.

It can be written as a sum of positive squares in 2 ways, for example, as 719044225 + 1491967876 = 26815^2 + 38626^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2211012101 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 (2211012151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54395 + ... + 85911.

It is an arithmetic number, because the mean of its divisors is an integer number (193000473).

Almost surely, 2^2211012101 is an apocalyptic number.

It is an amenable number.

2211012101 is a deficient number, since it is larger than the sum of its proper divisors (104993575).

2211012101 is an equidigital number, since it uses as much as digits as its factorization.

2211012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31652 (or 31621 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2211012101 is about 47021.4004576640. The cubic root of 2211012101 is about 1302.7578732055.

Adding to 2211012101 its reverse (1012101122), we get a palindrome (3223113223).

The spelling of 2211012101 in words is "two billion, two hundred eleven million, twelve thousand, one hundred one".