1142211322122 has 16 divisors (see below), whose sum is σ = 2460147463200. Its totient is φ = 351449637552.

The previous prime is 1142211322111. The next prime is 1142211322123. The reversal of 1142211322122 is 2212231122411.

It is a junction number, because it is equal to n+sod(n) for n = 1142211322092 and 1142211322101.

It is not an unprimeable number, because it can be changed into a prime (1142211322123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7321867372 + ... + 7321867527.

It is an arithmetic number, because the mean of its divisors is an integer number (153759216450).

Almost surely, 2^{1142211322122} is an apocalyptic number.

1142211322122 is an abundant number, since it is smaller than the sum of its proper divisors (1317936141078).

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

1142211322122 is a wasteful number, since it uses less digits than its factorization.

1142211322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14643734917.

The product of its digits is 768, while the sum is 24.

Adding to 1142211322122 its reverse (2212231122411), we get a palindrome (3354442444533).

The spelling of 1142211322122 in words is "one trillion, one hundred forty-two billion, two hundred eleven million, three hundred twenty-two thousand, one hundred twenty-two".