22110121020101 has 4 divisors (see below), whose sum is σ = 22110262526604. Its totient is φ = 22109979513600.

The previous prime is 22110121020089. The next prime is 22110121020131. The reversal of 22110121020101 is 10102012101122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7952766604225 + 14157354415876 = 2820065^2 + 3762626^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110121020101 - 2¹⁸ = 22110120757957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110121020131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70518620 + ... + 70831461.

It is an arithmetic number, because the mean of its divisors is an integer number (5527565631651).

Almost surely, 2^{22110121020101} is an apocalyptic number.

It is an amenable number.

22110121020101 is a deficient number, since it is larger than the sum of its proper divisors (141506503).

22110121020101 is a wasteful number, since it uses less digits than its factorization.

22110121020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141506502.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22110121020101 its reverse (10102012101122), we get a palindrome (32212133121223).

The spelling of 22110121020101 in words is "twenty-two trillion, one hundred ten billion, one hundred twenty-one million, twenty thousand, one hundred one".