10122001021001 has 4 divisors (see below), whose sum is σ = 10293560360400. Its totient is φ = 9950441681604.

The previous prime is 10122001020959. The next prime is 10122001021021. The reversal of 10122001021001 is 10012010022101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10122001021001 - 2²⁶ = 10121933912137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122001021021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85779669611 + ... + 85779669728.

It is an arithmetic number, because the mean of its divisors is an integer number (2573390090100).

Almost surely, 2^{10122001021001} is an apocalyptic number.

It is an amenable number.

10122001021001 is a deficient number, since it is larger than the sum of its proper divisors (171559339399).

10122001021001 is an equidigital number, since it uses as much as digits as its factorization.

10122001021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171559339398.

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

Adding to 10122001021001 its reverse (10012010022101), we get a palindrome (20134011043102).

The spelling of 10122001021001 in words is "ten trillion, one hundred twenty-two billion, one million, twenty-one thousand, one".