20022211111031 has 2 divisors, whose sum is σ = 20022211111032. Its totient is φ = 20022211111030.

The previous prime is 20022211111003. The next prime is 20022211111051. The reversal of 20022211111031 is 13011111222002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022211111031 - 2¹⁴ = 20022211094647 is a prime.

It is a super-2 number, since 2×20022211111031² (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 (20022211111051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011105555515 + 10011105555516.

It is an arithmetic number, because the mean of its divisors is an integer number (10011105555516).

Almost surely, 2^{20022211111031} is an apocalyptic number.

20022211111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022211111031 is an equidigital number, since it uses as much as digits as its factorization.

20022211111031 is an evil number, because the sum of its binary digits is even.

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

Adding to 20022211111031 its reverse (13011111222002), we get a palindrome (33033322333033).

The spelling of 20022211111031 in words is "twenty trillion, twenty-two billion, two hundred eleven million, one hundred eleven thousand, thirty-one".