21202022100101 has 8 divisors (see below), whose sum is σ = 21211546110720. Its totient is φ = 21192499878912.

The previous prime is 21202022100097. The next prime is 21202022100131. The reversal of 21202022100101 is 10100122020212.

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 21202022100101 - 2² = 21202022100097 is a prime.

It is a super-2 number, since 2×21202022100101² (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 (21202022100131) 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, 23543045 + ... + 24427013.

It is an arithmetic number, because the mean of its divisors is an integer number (2651443263840).

Almost surely, 2^{21202022100101} is an apocalyptic number.

It is an amenable number.

21202022100101 is a deficient number, since it is larger than the sum of its proper divisors (9524010619).

21202022100101 is an equidigital number, since it uses as much as digits as its factorization.

21202022100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894715.

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

Adding to 21202022100101 its reverse (10100122020212), we get a palindrome (31302144120313).

The spelling of 21202022100101 in words is "twenty-one trillion, two hundred two billion, twenty-two million, one hundred thousand, one hundred one".