2111100201 has 12 divisors (see below), whose sum is σ = 3484990912. Its totient is φ = 1206342936.

The previous prime is 2111100193. The next prime is 2111100221. The reversal of 2111100201 is 1020011112.

It is a happy number.

It is not a de Polignac number, because 2111100201 - 2³ = 2111100193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111100221) 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, 16754701 + ... + 16754826.

Almost surely, 2^2111100201 is an apocalyptic number.

2111100201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2111100201 is a deficient number, since it is larger than the sum of its proper divisors (1373890711).

2111100201 is a wasteful number, since it uses less digits than its factorization.

2111100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33509540 (or 33509537 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2111100201 is about 45946.7104480832. The cubic root of 2111100201 is about 1282.8315005494.

Adding to 2111100201 its reverse (1020011112), we get a palindrome (3131111313).

The spelling of 2111100201 in words is "two billion, one hundred eleven million, one hundred thousand, two hundred one".