10000102121001 has 6 divisors (see below), whose sum is σ = 14444591952570. Its totient is φ = 6666734747328.

The previous prime is 10000102120969. The next prime is 10000102121033. The reversal of 10000102121001 is 10012120100001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10000102120969) and next prime (10000102121033).

It can be written as a sum of positive squares in only one way, i.e., 9347230040976 + 652872080025 = 3057324^2 + 808005^2 .

It is not a de Polignac number, because 10000102121001 - 2⁵ = 10000102120969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1111122457889 = 10000102121001 / (1 + 0 + 0 + 0 + 0 + 1 + 0 + 2 + 1 + 2 + 1 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (10000102121081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555561228936 + ... + 555561228953.

It is an arithmetic number, because the mean of its divisors is an integer number (2407431992095).

Almost surely, 2^{10000102121001} is an apocalyptic number.

It is an amenable number.

10000102121001 is a deficient number, since it is larger than the sum of its proper divisors (4444489831569).

10000102121001 is a wasteful number, since it uses less digits than its factorization.

10000102121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111122457895 (or 1111122457892 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10000102121001 its reverse (10012120100001), we get a palindrome (20012222221002).

The spelling of 10000102121001 in words is "ten trillion, one hundred two million, one hundred twenty-one thousand, one".