1022222211213 has 32 divisors (see below), whose sum is σ = 1566136857600. Its totient is φ = 580954162176.

The previous prime is 1022222211191. The next prime is 1022222211223. The reversal of 1022222211213 is 3121122222201.

It is not a de Polignac number, because 1022222211213 - 2⁹ = 1022222210701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1022222211213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222211223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17232118 + ... + 17291336.

It is an arithmetic number, because the mean of its divisors is an integer number (48941776800).

Almost surely, 2^{1022222211213} is an apocalyptic number.

It is an amenable number.

1022222211213 is a deficient number, since it is larger than the sum of its proper divisors (543914646387).

1022222211213 is a wasteful number, since it uses less digits than its factorization.

1022222211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63681.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1022222211213 its reverse (3121122222201), we get a palindrome (4143344433414).

The spelling of 1022222211213 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred thirteen".