20221201110111 has 8 divisors (see below), whose sum is σ = 27158401491504. Its totient is φ = 13382400734400.

The previous prime is 20221201110091. The next prime is 20221201110113. The reversal of 20221201110111 is 11101110212202.

It is a happy number.

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

It is not a de Polignac number, because 20221201110111 - 2⁵ = 20221201110079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221201110113) 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, 24600000940 + ... + 24600001761.

It is an arithmetic number, because the mean of its divisors is an integer number (3394800186438).

Almost surely, 2^{20221201110111} is an apocalyptic number.

20221201110111 is a deficient number, since it is larger than the sum of its proper divisors (6937200381393).

20221201110111 is a wasteful number, since it uses less digits than its factorization.

20221201110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49200002841.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20221201110111 its reverse (11101110212202), we get a palindrome (31322311322313).

The spelling of 20221201110111 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, one hundred ten thousand, one hundred eleven".