11022101231 has 2 divisors, whose sum is σ = 11022101232. Its totient is φ = 11022101230.

The previous prime is 11022101227. The next prime is 11022101257. The reversal of 11022101231 is 13210122011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11022101231 - 2² = 11022101227 is a prime.

It is a super-2 number, since 2×11022101231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511050615 + 5511050616.

It is an arithmetic number, because the mean of its divisors is an integer number (5511050616).

Almost surely, 2^11022101231 is an apocalyptic number.

11022101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022101231 is an equidigital number, since it uses as much as digits as its factorization.

11022101231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11022101231 its reverse (13210122011), we get a palindrome (24232223242).

The spelling of 11022101231 in words is "eleven billion, twenty-two million, one hundred one thousand, two hundred thirty-one".