20220111112101 has 32 divisors (see below), whose sum is σ = 27753573093120. Its totient is φ = 13088649959424.

The previous prime is 20220111112079. The next prime is 20220111112151. The reversal of 20220111112101 is 10121111102202.

It is a happy number.

It is not a de Polignac number, because 20220111112101 - 2⁷ = 20220111111973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220111112151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464349336 + ... + 464392878.

It is an arithmetic number, because the mean of its divisors is an integer number (867299159160).

Almost surely, 2^{20220111112101} is an apocalyptic number.

It is an amenable number.

20220111112101 is a deficient number, since it is larger than the sum of its proper divisors (7533461981019).

20220111112101 is a wasteful number, since it uses less digits than its factorization.

20220111112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73805.

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

Adding to 20220111112101 its reverse (10121111102202), we get a palindrome (30341222214303).

The spelling of 20220111112101 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred one".