20221112121001 has 16 divisors (see below), whose sum is σ = 22281356060928. Its totient is φ = 18197919712000.

The previous prime is 20221112120971. The next prime is 20221112121011. The reversal of 20221112121001 is 10012121112202.

It is a cyclic number.

It is not a de Polignac number, because 20221112121001 - 2⁴¹ = 18022088865449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221112121011) 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, 5537361 + ... + 8432353.

It is an arithmetic number, because the mean of its divisors is an integer number (1392584753808).

Almost surely, 2^{20221112121001} is an apocalyptic number.

It is an amenable number.

20221112121001 is a deficient number, since it is larger than the sum of its proper divisors (2060243939927).

20221112121001 is a wasteful number, since it uses less digits than its factorization.

20221112121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901392.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221112121001 its reverse (10012121112202), we get a palindrome (30233233233203).

The spelling of 20221112121001 in words is "twenty trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, one".