102010012020001 has 4 divisors (see below), whose sum is σ = 108010600962372. Its totient is φ = 96009423077632.

The previous prime is 102010012019989. The next prime is 102010012020013. The reversal of 102010012020001 is 100020210010201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102010012019989) and next prime (102010012020013).

It can be written as a sum of positive squares in 2 ways, for example, as 81404585957601 + 20605426062400 = 9022449^2 + 4539320^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010012020001 - 2²⁹ = 102009475149089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102010012020001.

It is not an unprimeable number, because it can be changed into a prime (102010012020901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000294471160 + ... + 3000294471193.

It is an arithmetic number, because the mean of its divisors is an integer number (27002650240593).

Almost surely, 2^{102010012020001} is an apocalyptic number.

It is an amenable number.

102010012020001 is a deficient number, since it is larger than the sum of its proper divisors (6000588942371).

102010012020001 is an equidigital number, since it uses as much as digits as its factorization.

102010012020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000588942370.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102010012020001 its reverse (100020210010201), we get a palindrome (202030222030202).

The spelling of 102010012020001 in words is "one hundred two trillion, ten billion, twelve million, twenty thousand, one".