1100020221031 has 2 divisors, whose sum is σ = 1100020221032. Its totient is φ = 1100020221030.

The previous prime is 1100020220983. The next prime is 1100020221067. The reversal of 1100020221031 is 1301220200011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100020221031 - 2⁷ = 1100020220903 is a prime.

It is a super-2 number, since 2×1100020221031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100020221431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010110515 + 550010110516.

It is an arithmetic number, because the mean of its divisors is an integer number (550010110516).

Almost surely, 2^{1100020221031} is an apocalyptic number.

1100020221031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020221031 is an equidigital number, since it uses as much as digits as its factorization.

1100020221031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1100020221031 its reverse (1301220200011), we get a palindrome (2401240421042).

The spelling of 1100020221031 in words is "one trillion, one hundred billion, twenty million, two hundred twenty-one thousand, thirty-one".