1020120002101 has 8 divisors (see below), whose sum is σ = 1058228841600. Its totient is φ = 982641060960.

The previous prime is 1020120002089. The next prime is 1020120002129. The reversal of 1020120002101 is 1012000210201.

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 1020120002101 - 2¹⁵ = 1020119969333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020120002131) 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, 157471291 + ... + 157477768.

It is an arithmetic number, because the mean of its divisors is an integer number (132278605200).

Almost surely, 2^{1020120002101} is an apocalyptic number.

It is an amenable number.

1020120002101 is a deficient number, since it is larger than the sum of its proper divisors (38108839499).

1020120002101 is an equidigital number, since it uses as much as digits as its factorization.

1020120002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314949179.

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

Adding to 1020120002101 its reverse (1012000210201), we get a palindrome (2032120212302).

The spelling of 1020120002101 in words is "one trillion, twenty billion, one hundred twenty million, two thousand, one hundred one".