20220111021031 has 2 divisors, whose sum is σ = 20220111021032. Its totient is φ = 20220111021030.

The previous prime is 20220111020957. The next prime is 20220111021059. The reversal of 20220111021031 is 13012011102202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20220111021031 - 2¹⁵ = 20220110988263 is a prime.

It is a super-2 number, since 2×20220111021031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20220111020996 and 20220111021014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220111021731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110055510515 + 10110055510516.

It is an arithmetic number, because the mean of its divisors is an integer number (10110055510516).

Almost surely, 2^{20220111021031} is an apocalyptic number.

20220111021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220111021031 is an equidigital number, since it uses as much as digits as its factorization.

20220111021031 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 16.

Adding to 20220111021031 its reverse (13012011102202), we get a palindrome (33232122123233).

The spelling of 20220111021031 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, twenty-one thousand, thirty-one".