22121101001103 has 64 divisors (see below), whose sum is σ = 33898721149440. Its totient is φ = 12710761132032.

The previous prime is 22121101001071. The next prime is 22121101001119. The reversal of 22121101001103 is 30110010112122.

It is not a de Polignac number, because 22121101001103 - 2⁵ = 22121101001071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121101001123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146980176 + ... + 147130602.

It is an arithmetic number, because the mean of its divisors is an integer number (529667517960).

Almost surely, 2^{22121101001103} is an apocalyptic number.

22121101001103 is a deficient number, since it is larger than the sum of its proper divisors (11777620148337).

22121101001103 is a wasteful number, since it uses less digits than its factorization.

22121101001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152216.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22121101001103 its reverse (30110010112122), we get a palindrome (52231111113225).

The spelling of 22121101001103 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred one million, one thousand, one hundred three".