1022112311213 has 4 divisors (see below), whose sum is σ = 1168128355680. Its totient is φ = 876096266748.

The previous prime is 1022112311201. The next prime is 1022112311221. The reversal of 1022112311213 is 3121132112201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022112311213 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 (1022112311113) 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, 73008022223 + ... + 73008022236.

It is an arithmetic number, because the mean of its divisors is an integer number (292032088920).

Almost surely, 2^{1022112311213} is an apocalyptic number.

It is an amenable number.

1022112311213 is a deficient number, since it is larger than the sum of its proper divisors (146016044467).

1022112311213 is an equidigital number, since it uses as much as digits as its factorization.

1022112311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146016044466.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1022112311213 its reverse (3121132112201), we get a palindrome (4143244423414).

The spelling of 1022112311213 in words is "one trillion, twenty-two billion, one hundred twelve million, three hundred eleven thousand, two hundred thirteen".