10020021002101 has 4 divisors (see below), whose sum is σ = 10930932002304. Its totient is φ = 9109110001900.

The previous prime is 10020021002063. The next prime is 10020021002111. The reversal of 10020021002101 is 10120012002001.

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 10020021002101 - 2³⁵ = 9985661263733 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 (10020021002111) 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, 455455500085 + ... + 455455500106.

It is an arithmetic number, because the mean of its divisors is an integer number (2732733000576).

Almost surely, 2^{10020021002101} is an apocalyptic number.

10020021002101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10020021002101 is a deficient number, since it is larger than the sum of its proper divisors (910911000203).

10020021002101 is an equidigital number, since it uses as much as digits as its factorization.

10020021002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910911000202.

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

Adding to 10020021002101 its reverse (10120012002001), we get a palindrome (20140033004102).

The spelling of 10020021002101 in words is "ten trillion, twenty billion, twenty-one million, two thousand, one hundred one".