2102223034342 has 16 divisors (see below), whose sum is σ = 3250599096240. Its totient is φ = 1018901217888.

The previous prime is 2102223034321. The next prime is 2102223034391. The reversal of 2102223034342 is 2434303222012.

It is a super-2 number, since 2×2102223034342² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2102223034342.

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, 52783848 + ... + 52823659.

It is an arithmetic number, because the mean of its divisors is an integer number (203162443515).

Almost surely, 2^{2102223034342} is an apocalyptic number.

2102223034342 is a deficient number, since it is larger than the sum of its proper divisors (1148376061898).

2102223034342 is a wasteful number, since it uses less digits than its factorization.

2102223034342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105607815.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2102223034342 its reverse (2434303222012), we get a palindrome (4536526256354).

The spelling of 2102223034342 in words is "two trillion, one hundred two billion, two hundred twenty-three million, thirty-four thousand, three hundred forty-two".