1022011100431 has 4 divisors (see below), whose sum is σ = 1024438680664. Its totient is φ = 1019583520200.

The previous prime is 1022011100381. The next prime is 1022011100441. The reversal of 1022011100431 is 1340011102201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022011100431 - 2⁷ = 1022011100303 is a prime.

It is a super-2 number, since 2×1022011100431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022011100441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213789485 + ... + 1213790326.

It is an arithmetic number, because the mean of its divisors is an integer number (256109670166).

Almost surely, 2^{1022011100431} is an apocalyptic number.

1022011100431 is a deficient number, since it is larger than the sum of its proper divisors (2427580233).

1022011100431 is an equidigital number, since it uses as much as digits as its factorization.

1022011100431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427580232.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1022011100431 its reverse (1340011102201), we get a palindrome (2362022202632).

The spelling of 1022011100431 in words is "one trillion, twenty-two billion, eleven million, one hundred thousand, four hundred thirty-one".