1221133302130 has 64 divisors (see below), whose sum is σ = 2534353920000. Its totient is φ = 414966322368.

The previous prime is 1221133302113. The next prime is 1221133302131. The reversal of 1221133302130 is 312033311221.

It is not an unprimeable number, because it can be changed into a prime (1221133302131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5723511 + ... + 5933029.

It is an arithmetic number, because the mean of its divisors is an integer number (39599280000).

Almost surely, 2^{1221133302130} is an apocalyptic number.

1221133302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1221133302130 is an abundant number, since it is smaller than the sum of its proper divisors (1313220617870).

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

1221133302130 is a wasteful number, since it uses less digits than its factorization.

1221133302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210271.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1221133302130 its reverse (312033311221), we get a palindrome (1533166613351).

Subtracting from 1221133302130 its reverse (312033311221), we obtain a palindrome (909099990909).

It can be divided in two parts, 122113 and 3302130, that added together give a palindrome (3424243).

The spelling of 1221133302130 in words is "one trillion, two hundred twenty-one billion, one hundred thirty-three million, three hundred two thousand, one hundred thirty".