20221012002101 has 4 divisors (see below), whose sum is σ = 20221074549600. Its totient is φ = 20220949454604.

The previous prime is 20221012002047. The next prime is 20221012002127. The reversal of 20221012002101 is 10120021012202.

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 a de Polignac number, because none of the positive numbers 2^k-20221012002101 is a prime.

It is a super-2 number, since 2×20221012002101² (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 (20221012002701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30786281 + ... + 31436238.

It is an arithmetic number, because the mean of its divisors is an integer number (5055268637400).

Almost surely, 2^{20221012002101} is an apocalyptic number.

It is an amenable number.

20221012002101 is a deficient number, since it is larger than the sum of its proper divisors (62547499).

20221012002101 is an equidigital number, since it uses as much as digits as its factorization.

20221012002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62547498.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221012002101 its reverse (10120021012202), we get a palindrome (30341033014303).

The spelling of 20221012002101 in words is "twenty trillion, two hundred twenty-one billion, twelve million, two thousand, one hundred one".