11212099631 has 2 divisors, whose sum is σ = 11212099632. Its totient is φ = 11212099630.

The previous prime is 11212099621. The next prime is 11212099637. The reversal of 11212099631 is 13699021211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212099631 - 2²² = 11207905327 is a prime.

It is a super-2 number, since 2×11212099631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212099591 and 11212099600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212099637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606049815 + 5606049816.

It is an arithmetic number, because the mean of its divisors is an integer number (5606049816).

Almost surely, 2^11212099631 is an apocalyptic number.

11212099631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212099631 is an equidigital number, since it uses as much as digits as its factorization.

11212099631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 11212099631 in words is "eleven billion, two hundred twelve million, ninety-nine thousand, six hundred thirty-one".