20102210012101 has 4 divisors (see below), whose sum is σ = 22973954299552. Its totient is φ = 17230465724652.

The previous prime is 20102210012099. The next prime is 20102210012107. The reversal of 20102210012101 is 10121001220102.

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 20102210012101 - 2¹ = 20102210012099 is a prime.

It is a super-2 number, since 2×20102210012101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102210012107) 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, 1435872143715 + ... + 1435872143728.

It is an arithmetic number, because the mean of its divisors is an integer number (5743488574888).

Almost surely, 2^{20102210012101} is an apocalyptic number.

It is an amenable number.

20102210012101 is a deficient number, since it is larger than the sum of its proper divisors (2871744287451).

20102210012101 is an equidigital number, since it uses as much as digits as its factorization.

20102210012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871744287450.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102210012101 its reverse (10121001220102), we get a palindrome (30223211232203).

The spelling of 20102210012101 in words is "twenty trillion, one hundred two billion, two hundred ten million, twelve thousand, one hundred one".