21122022122201 has 32 divisors (see below), whose sum is σ = 28824550277376. Its totient is φ = 14943603168000.

The previous prime is 21122022122147. The next prime is 21122022122249. The reversal of 21122022122201 is 10222122022112.

It is a de Polignac number, because none of the positive numbers 2^k-21122022122201 is a prime.

It is a super-2 number, since 2×21122022122201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122022122251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172897310 + ... + 173019431.

It is an arithmetic number, because the mean of its divisors is an integer number (900767196168).

Almost surely, 2^{21122022122201} is an apocalyptic number.

It is an amenable number.

21122022122201 is a deficient number, since it is larger than the sum of its proper divisors (7702528155175).

21122022122201 is a wasteful number, since it uses less digits than its factorization.

21122022122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345916833.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21122022122201 its reverse (10222122022112), we get a palindrome (31344144144313).

The spelling of 21122022122201 in words is "twenty-one trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, two hundred one".