21112022002101 has 4 divisors (see below), whose sum is σ = 28149362669472. Its totient is φ = 14074681334732.

The previous prime is 21112022002091. The next prime is 21112022002133. The reversal of 21112022002101 is 10120022021112.

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 21112022002101 - 2⁶ = 21112022002037 is a prime.

It is a super-3 number, since 3×21112022002101³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112022012101) 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, 3518670333681 + ... + 3518670333686.

It is an arithmetic number, because the mean of its divisors is an integer number (7037340667368).

Almost surely, 2^{21112022002101} is an apocalyptic number.

It is an amenable number.

21112022002101 is a deficient number, since it is larger than the sum of its proper divisors (7037340667371).

21112022002101 is an equidigital number, since it uses as much as digits as its factorization.

21112022002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037340667370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21112022002101 its reverse (10120022021112), we get a palindrome (31232044023213).

The spelling of 21112022002101 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, two thousand, one hundred one".