20101012202001 has 8 divisors (see below), whose sum is σ = 26805733947360. Its totient is φ = 13398482628992.

The previous prime is 20101012201999. The next prime is 20101012202039. The reversal of 20101012202001 is 10020221010102.

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 20101012202001 - 2¹ = 20101012201999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101012206001) 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, 548021691 + ... + 548058368.

It is an arithmetic number, because the mean of its divisors is an integer number (3350716743420).

Almost surely, 2^{20101012202001} is an apocalyptic number.

It is an amenable number.

20101012202001 is a deficient number, since it is larger than the sum of its proper divisors (6704721745359).

20101012202001 is a wasteful number, since it uses less digits than its factorization.

20101012202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096086175.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101012202001 its reverse (10020221010102), we get a palindrome (30121233212103).

The spelling of 20101012202001 in words is "twenty trillion, one hundred one billion, twelve million, two hundred two thousand, one".