2111210101 has 16 divisors (see below), whose sum is σ = 2834633088. Its totient is φ = 1518552000.

The previous prime is 2111210071. The next prime is 2111210117. The reversal of 2111210101 is 1010121112.

It is not a de Polignac number, because 2111210101 - 2¹³ = 2111201909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111214101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053550 + ... + 1055551.

It is an arithmetic number, because the mean of its divisors is an integer number (177164568).

Almost surely, 2^2111210101 is an apocalyptic number.

It is an amenable number.

2111210101 is a deficient number, since it is larger than the sum of its proper divisors (723422987).

2111210101 is a wasteful number, since it uses less digits than its factorization.

2111210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109132.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2111210101 is about 45947.9063832075. The cubic root of 2111210101 is about 1282.8537607806.

Adding to 2111210101 its reverse (1010121112), we get a palindrome (3121331213).

It can be divided in two parts, 21112 and 10101, that multiplied together give a palindrome (213252312).

The spelling of 2111210101 in words is "two billion, one hundred eleven million, two hundred ten thousand, one hundred one".