1321022222102 has 16 divisors (see below), whose sum is σ = 2161814683392. Its totient is φ = 600425214120.

The previous prime is 1321022222081. The next prime is 1321022222153. The reversal of 1321022222102 is 2012222201231.

It is a super-2 number, since 2×1321022222102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627658 + ... + 2300285.

It is an arithmetic number, because the mean of its divisors is an integer number (135113417712).

Almost surely, 2^{1321022222102} is an apocalyptic number.

1321022222102 is a deficient number, since it is larger than the sum of its proper divisors (840792461290).

1321022222102 is a wasteful number, since it uses less digits than its factorization.

1321022222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943243.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1321022222102 its reverse (2012222201231), we get a palindrome (3333244423333).

The spelling of 1321022222102 in words is "one trillion, three hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, one hundred two".