1001221104130 has 32 divisors (see below), whose sum is σ = 1988165895408. Its totient is φ = 360665011200.

The previous prime is 1001221104113. The next prime is 1001221104133. The reversal of 1001221104130 is 314011221001.

It can be written as a sum of positive squares in 8 ways, for example, as 125909296569 + 875311807561 = 354837^2 + 935581^2 .

It is not an unprimeable number, because it can be changed into a prime (1001221104133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93917851 + ... + 93928510.

Almost surely, 2^{1001221104130} is an apocalyptic number.

1001221104130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001221104130 is a deficient number, since it is larger than the sum of its proper divisors (986944791278).

1001221104130 is a wasteful number, since it uses less digits than its factorization.

1001221104130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187846422.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1001221104130 its reverse (314011221001), we get a palindrome (1315232325131).

The spelling of 1001221104130 in words is "one trillion, one billion, two hundred twenty-one million, one hundred four thousand, one hundred thirty".