212201010011231 has 4 divisors (see below), whose sum is σ = 212201110755264. Its totient is φ = 212200909267200.

The previous prime is 212201010011153. The next prime is 212201010011327. The reversal of 212201010011231 is 132110010102212.

It is a happy number.

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 212201010011231 - 2⁴² = 207802963500127 is a prime.

It is a super-2 number, since 2×212201010011231² (a number of 29 digits) 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 (215201010011231) 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, 47143535 + ... + 51448176.

It is an arithmetic number, because the mean of its divisors is an integer number (53050277688816).

Almost surely, 2^{212201010011231} is an apocalyptic number.

212201010011231 is a deficient number, since it is larger than the sum of its proper divisors (100744033).

212201010011231 is an equidigital number, since it uses as much as digits as its factorization.

212201010011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100744032.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212201010011231 its reverse (132110010102212), we get a palindrome (344311020113443).

The spelling of 212201010011231 in words is "two hundred twelve trillion, two hundred one billion, ten million, eleven thousand, two hundred thirty-one".