22121201013 has 16 divisors (see below), whose sum is σ = 29651414016. Its totient is φ = 14669431920.

The previous prime is 22121200991. The next prime is 22121201021. The reversal of 22121201013 is 31010212122.

It is not a de Polignac number, because 22121201013 - 2⁶ = 22121200949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22121200983 and 22121201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121221013) 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 15 ways as a sum of consecutive naturals, for example, 414756 + ... + 465042.

It is an arithmetic number, because the mean of its divisors is an integer number (1853213376).

Almost surely, 2^22121201013 is an apocalyptic number.

It is an amenable number.

22121201013 is a deficient number, since it is larger than the sum of its proper divisors (7530213003).

22121201013 is a wasteful number, since it uses less digits than its factorization.

22121201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51064.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22121201013 its reverse (31010212122), we get a palindrome (53131413135).

The spelling of 22121201013 in words is "twenty-two billion, one hundred twenty-one million, two hundred one thousand, thirteen".