2221143135402 has 16 divisors (see below), whose sum is σ = 4442300916480. Its totient is φ = 740378604192.

The previous prime is 2221143135397. The next prime is 2221143135413. The reversal of 2221143135402 is 2045313411222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221143135402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3051598 + ... + 3708710.

It is an arithmetic number, because the mean of its divisors is an integer number (277643807280).

Almost surely, 2^{2221143135402} is an apocalyptic number.

2221143135402 is an abundant number, since it is smaller than the sum of its proper divisors (2221157781078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221143135402 is a wasteful number, since it uses less digits than its factorization.

2221143135402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220477.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2221143135402 its reverse (2045313411222), we get a palindrome (4266456546624).

The spelling of 2221143135402 in words is "two trillion, two hundred twenty-one billion, one hundred forty-three million, one hundred thirty-five thousand, four hundred two".