20221001021111 has 8 divisors (see below), whose sum is σ = 22065282949248. Its totient is φ = 18377720611000.

The previous prime is 20221001021099. The next prime is 20221001021129. The reversal of 20221001021111 is 11112010012202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20221001021111 - 2⁶ = 20221001021047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221001021311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250337285 + ... + 250418046.

It is an arithmetic number, because the mean of its divisors is an integer number (2758160368656).

Almost surely, 2^{20221001021111} is an apocalyptic number.

20221001021111 is a deficient number, since it is larger than the sum of its proper divisors (1844281928137).

20221001021111 is a wasteful number, since it uses less digits than its factorization.

20221001021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500759013.

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

Adding to 20221001021111 its reverse (11112010012202), we get a palindrome (31333011033313).

The spelling of 20221001021111 in words is "twenty trillion, two hundred twenty-one billion, one million, twenty-one thousand, one hundred eleven".