1121312203422 has 16 divisors (see below), whose sum is σ = 2242787921040. Its totient is φ = 373743482112.

The previous prime is 1121312203411. The next prime is 1121312203423. The reversal of 1121312203422 is 2243022131211.

It is a junction number, because it is equal to n+sod(n) for n = 1121312203392 and 1121312203401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121312203423) 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, 6723853 + ... + 6888600.

It is an arithmetic number, because the mean of its divisors is an integer number (140174245065).

Almost surely, 2^{1121312203422} is an apocalyptic number.

1121312203422 is an abundant number, since it is smaller than the sum of its proper divisors (1121475717618).

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

1121312203422 is a wasteful number, since it uses less digits than its factorization.

1121312203422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13626187.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1121312203422 its reverse (2243022131211), we get a palindrome (3364334334633).

The spelling of 1121312203422 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, two hundred three thousand, four hundred twenty-two".