11021255212031 has 2 divisors, whose sum is σ = 11021255212032. Its totient is φ = 11021255212030.

The previous prime is 11021255212003. The next prime is 11021255212039. The reversal of 11021255212031 is 13021255212011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11021255212031 - 2²² = 11021251017727 is a prime.

It is a super-2 number, since 2×11021255212031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021255212039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510627606015 + 5510627606016.

It is an arithmetic number, because the mean of its divisors is an integer number (5510627606016).

Almost surely, 2^{11021255212031} is an apocalyptic number.

11021255212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021255212031 is an equidigital number, since it uses as much as digits as its factorization.

11021255212031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 11021255212031 in words is "eleven trillion, twenty-one billion, two hundred fifty-five million, two hundred twelve thousand, thirty-one".