21122022001223 has 8 divisors (see below), whose sum is σ = 24814683190416. Its totient is φ = 17724773707200.

The previous prime is 21122022001211. The next prime is 21122022001273. The reversal of 21122022001223 is 32210022022112.

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 21122022001223 - 2⁸ = 21122022000967 is a prime.

It is a super-2 number, since 2×21122022001223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21122022001195 and 21122022001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122022001273) 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, 73853223638 + ... + 73853223923.

It is an arithmetic number, because the mean of its divisors is an integer number (3101835398802).

Almost surely, 2^{21122022001223} is an apocalyptic number.

21122022001223 is a deficient number, since it is larger than the sum of its proper divisors (3692661189193).

21122022001223 is a wasteful number, since it uses less digits than its factorization.

21122022001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147706447585.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21122022001223 its reverse (32210022022112), we get a palindrome (53332044023335).

The spelling of 21122022001223 in words is "twenty-one trillion, one hundred twenty-two billion, twenty-two million, one thousand, two hundred twenty-three".