202100012211 has 4 divisors (see below), whose sum is σ = 269466682952. Its totient is φ = 134733341472.

The previous prime is 202100012207. The next prime is 202100012273. The reversal of 202100012211 is 112210001202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 202100012211 - 2² = 202100012207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202100012201) 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, 33683335366 + ... + 33683335371.

It is an arithmetic number, because the mean of its divisors is an integer number (67366670738).

Almost surely, 2^202100012211 is an apocalyptic number.

202100012211 is a deficient number, since it is larger than the sum of its proper divisors (67366670741).

202100012211 is an equidigital number, since it uses as much as digits as its factorization.

202100012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67366670740.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202100012211 its reverse (112210001202), we get a palindrome (314310013413).

The spelling of 202100012211 in words is "two hundred two billion, one hundred million, twelve thousand, two hundred eleven".