20102111312001 has 8 divisors (see below), whose sum is σ = 26802838015584. Its totient is φ = 13401396074880.

The previous prime is 20102111311957. The next prime is 20102111312011. The reversal of 20102111312001 is 10021311120102.

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

It is not a de Polignac number, because 20102111312001 - 2⁷ = 20102111311873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102111312011) 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, 2856030 + ... + 6954216.

It is an arithmetic number, because the mean of its divisors is an integer number (3350354751948).

Almost surely, 2^{20102111312001} is an apocalyptic number.

It is an amenable number.

20102111312001 is a deficient number, since it is larger than the sum of its proper divisors (6700726703583).

20102111312001 is a wasteful number, since it uses less digits than its factorization.

20102111312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733231.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20102111312001 its reverse (10021311120102), we get a palindrome (30123422432103).

The spelling of 20102111312001 in words is "twenty trillion, one hundred two billion, one hundred eleven million, three hundred twelve thousand, one".