1142102221122 has 16 divisors (see below), whose sum is σ = 2299534675200. Its totient is φ = 378145701552.

The previous prime is 1142102221111. The next prime is 1142102221147. The reversal of 1142102221122 is 2211222012411.

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, 638758738 + ... + 638760525.

It is an arithmetic number, because the mean of its divisors is an integer number (143720917200).

Almost surely, 2^{1142102221122} is an apocalyptic number.

1142102221122 is an abundant number, since it is smaller than the sum of its proper divisors (1157432454078).

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

1142102221122 is a wasteful number, since it uses less digits than its factorization.

1142102221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277519417.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1142102221122 its reverse (2211222012411), we get a palindrome (3353324233533).

It can be divided in two parts, 114210 and 2221122, that added together give a palindrome (2335332).

The spelling of 1142102221122 in words is "one trillion, one hundred forty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-two".