1022250411111 has 4 divisors (see below), whose sum is σ = 1363000548152. Its totient is φ = 681500274072.

The previous prime is 1022250411107. The next prime is 1022250411131. The reversal of 1022250411111 is 1111140522201.

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

It is not a de Polignac number, because 1022250411111 - 2² = 1022250411107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022250411101) 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, 170375068516 + ... + 170375068521.

It is an arithmetic number, because the mean of its divisors is an integer number (340750137038).

Almost surely, 2^{1022250411111} is an apocalyptic number.

1022250411111 is a deficient number, since it is larger than the sum of its proper divisors (340750137041).

1022250411111 is an equidigital number, since it uses as much as digits as its factorization.

1022250411111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340750137040.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 1022250411111 its reverse (1111140522201), we get a palindrome (2133390933312).

The spelling of 1022250411111 in words is "one trillion, twenty-two billion, two hundred fifty million, four hundred eleven thousand, one hundred eleven".