2100222201 has 16 divisors (see below), whose sum is σ = 3491278848. Its totient is φ = 1091024400.

The previous prime is 2100222151. The next prime is 2100222203. The reversal of 2100222201 is 1022220012.

It is not a de Polignac number, because 2100222201 - 2¹⁵ = 2100189433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100222203) 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, 4545705 + ... + 4546166.

It is an arithmetic number, because the mean of its divisors is an integer number (218204928).

Almost surely, 2^2100222201 is an apocalyptic number.

2100222201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2100222201 is a deficient number, since it is larger than the sum of its proper divisors (1391056647).

2100222201 is a wasteful number, since it uses less digits than its factorization.

2100222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091892.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2100222201 is about 45828.1812971015. The cubic root of 2100222201 is about 1280.6243294217.

Adding to 2100222201 its reverse (1022220012), we get a palindrome (3122442213).

The spelling of 2100222201 in words is "two billion, one hundred million, two hundred twenty-two thousand, two hundred one".