2212101431 has 4 divisors (see below), whose sum is σ = 2216535000. Its totient is φ = 2207667864.

The previous prime is 2212101427. The next prime is 2212101433. The reversal of 2212101431 is 1341012122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212101431 - 2² = 2212101427 is a prime.

It is a super-2 number, since 2×2212101431² = 9786785482064495522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212101433) 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, 2216036 + ... + 2217033.

It is an arithmetic number, because the mean of its divisors is an integer number (554133750).

Almost surely, 2^2212101431 is an apocalyptic number.

2212101431 is a deficient number, since it is larger than the sum of its proper divisors (4433569).

2212101431 is an equidigital number, since it uses as much as digits as its factorization.

2212101431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433568.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2212101431 is about 47032.9823740745. The cubic root of 2212101431 is about 1302.9717873425.

Adding to 2212101431 its reverse (1341012122), we get a palindrome (3553113553).

The spelling of 2212101431 in words is "two billion, two hundred twelve million, one hundred one thousand, four hundred thirty-one".