10201120021001 has 24 divisors (see below), whose sum is σ = 12838179130560. Its totient is φ = 7934415518016.

The previous prime is 10201120020997. The next prime is 10201120021123. The reversal of 10201120021001 is 10012002110201.

It is not a de Polignac number, because 10201120021001 - 2² = 10201120020997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10201120021501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73007270 + ... + 73146863.

It is an arithmetic number, because the mean of its divisors is an integer number (534924130440).

Almost surely, 2^{10201120021001} is an apocalyptic number.

It is an amenable number.

10201120021001 is a deficient number, since it is larger than the sum of its proper divisors (2637059109559).

10201120021001 is a wasteful number, since it uses less digits than its factorization.

10201120021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146154225 (or 146154212 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10201120021001 its reverse (10012002110201), we get a palindrome (20213122131202).

The spelling of 10201120021001 in words is "ten trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, one".