11222012212031 has 2 divisors, whose sum is σ = 11222012212032. Its totient is φ = 11222012212030.

The previous prime is 11222012212027. The next prime is 11222012212039. The reversal of 11222012212031 is 13021221022211.

11222012212031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11222012212031 - 2² = 11222012212027 is a prime.

It is a super-2 number, since 2×11222012212031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222012211994 and 11222012212012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222012212039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611006106015 + 5611006106016.

It is an arithmetic number, because the mean of its divisors is an integer number (5611006106016).

Almost surely, 2^{11222012212031} is an apocalyptic number.

11222012212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222012212031 is an equidigital number, since it uses as much as digits as its factorization.

11222012212031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11222012212031 its reverse (13021221022211), we get a palindrome (24243233234242).

The spelling of 11222012212031 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred twelve thousand, thirty-one".