22001210011121 has 4 divisors (see below), whose sum is σ = 24001320012144. Its totient is φ = 20001100010100.

The previous prime is 22001210011093. The next prime is 22001210011189. The reversal of 22001210011121 is 12111001210022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22001210011121 - 2¹⁴ = 22001209994737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22001210011096 and 22001210011105.

It is not an unprimeable number, because it can be changed into a prime (22001210011421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000055000495 + ... + 1000055000516.

It is an arithmetic number, because the mean of its divisors is an integer number (6000330003036).

Almost surely, 2^{22001210011121} is an apocalyptic number.

It is an amenable number.

22001210011121 is a deficient number, since it is larger than the sum of its proper divisors (2000110001023).

22001210011121 is a wasteful number, since it uses less digits than its factorization.

22001210011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000110001022.

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

Adding to 22001210011121 its reverse (12111001210022), we get a palindrome (34112211221143).

The spelling of 22001210011121 in words is "twenty-two trillion, one billion, two hundred ten million, eleven thousand, one hundred twenty-one".