1221013201130 has 16 divisors (see below), whose sum is σ = 2228779027584. Its totient is φ = 481526332560.

The previous prime is 1221013201097. The next prime is 1221013201159. The reversal of 1221013201130 is 311023101221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1221013201099 and 1221013201108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859867742 + ... + 859869161.

It is an arithmetic number, because the mean of its divisors is an integer number (139298689224).

Almost surely, 2^{1221013201130} is an apocalyptic number.

1221013201130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1221013201130 is a deficient number, since it is larger than the sum of its proper divisors (1007765826454).

1221013201130 is a wasteful number, since it uses less digits than its factorization.

1221013201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719736981.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1221013201130 its reverse (311023101221), we get a palindrome (1532036302351).

Subtracting from 1221013201130 its reverse (311023101221), we obtain a palindrome (909990099909).

The spelling of 1221013201130 in words is "one trillion, two hundred twenty-one billion, thirteen million, two hundred one thousand, one hundred thirty".