20130121333104 has 40 divisors (see below), whose sum is σ = 52006641397632. Its totient is φ = 6709546514880.

The previous prime is 20130121333081. The next prime is 20130121333121. The reversal of 20130121333104 is 40133312103102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14776134 + ... + 16080869.

Almost surely, 2^{20130121333104} is an apocalyptic number.

20130121333104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20130121333104 is an abundant number, since it is smaller than the sum of its proper divisors (31876520064528).

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

20130121333104 is a wasteful number, since it uses less digits than its factorization.

20130121333104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30870605 (or 30870599 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20130121333104 its reverse (40133312103102), we get a palindrome (60263433436206).

The spelling of 20130121333104 in words is "twenty trillion, one hundred thirty billion, one hundred twenty-one million, three hundred thirty-three thousand, one hundred four".