20113102010321 has 8 divisors (see below), whose sum is σ = 20236917369024. Its totient is φ = 19989291799440.

The previous prime is 20113102010311. The next prime is 20113102010377. The reversal of 20113102010321 is 12301020131102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20113102010321 - 2⁴² = 15715055499217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113102010321.

It is not an unprimeable number, because it can be changed into a prime (20113102010311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6703535 + ... + 9228411.

It is an arithmetic number, because the mean of its divisors is an integer number (2529614671128).

Almost surely, 2^{20113102010321} is an apocalyptic number.

It is an amenable number.

20113102010321 is a deficient number, since it is larger than the sum of its proper divisors (123815358703).

20113102010321 is a wasteful number, since it uses less digits than its factorization.

20113102010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573911.

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

Adding to 20113102010321 its reverse (12301020131102), we get a palindrome (32414122141423).

The spelling of 20113102010321 in words is "twenty trillion, one hundred thirteen billion, one hundred two million, ten thousand, three hundred twenty-one".