1202211221120 has 192 divisors, whose sum is σ = 3600442175400. Its totient is φ = 380479905792.

The previous prime is 1202211221089. The next prime is 1202211221131. The reversal of 1202211221120 is 211221122021.

It can be written as a sum of positive squares in 4 ways, for example, as 945421739584 + 256789481536 = 972328^2 + 506744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1066775 + ... + 1882134.

Almost surely, 2^{1202211221120} is an apocalyptic number.

1202211221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202211221120 is an abundant number, since it is smaller than the sum of its proper divisors (2398230954280).

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

1202211221120 is a wasteful number, since it uses less digits than its factorization.

1202211221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948955 (or 2948936 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202211221120 its reverse (211221122021), we get a palindrome (1413432343141).

Subtracting from 1202211221120 its reverse (211221122021), we obtain a palindrome (990990099099).

The spelling of 1202211221120 in words is "one trillion, two hundred two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty".