1011120222031 has 2 divisors, whose sum is σ = 1011120222032. Its totient is φ = 1011120222030.

The previous prime is 1011120222001. The next prime is 1011120222083. The reversal of 1011120222031 is 1302220211101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011120222031 - 2²¹ = 1011118124879 is a prime.

It is a super-2 number, since 2×1011120222031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011120221996 and 1011120222014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011120222001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505560111015 + 505560111016.

It is an arithmetic number, because the mean of its divisors is an integer number (505560111016).

Almost surely, 2^{1011120222031} is an apocalyptic number.

1011120222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011120222031 is an equidigital number, since it uses as much as digits as its factorization.

1011120222031 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 1011120222031 its reverse (1302220211101), we get a palindrome (2313340433132).

The spelling of 1011120222031 in words is "one trillion, eleven billion, one hundred twenty million, two hundred twenty-two thousand, thirty-one".