22111221000101 has 32 divisors (see below), whose sum is σ = 23616558858240. Its totient is φ = 20657937396096.

The previous prime is 22111220999999. The next prime is 22111221000107. The reversal of 22111221000101 is 10100012211122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111221000101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111221000107) 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, 79935305 + ... + 80211441.

It is an arithmetic number, because the mean of its divisors is an integer number (738017464320).

Almost surely, 2^{22111221000101} is an apocalyptic number.

It is an amenable number.

22111221000101 is a deficient number, since it is larger than the sum of its proper divisors (1505337858139).

22111221000101 is a wasteful number, since it uses less digits than its factorization.

22111221000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276713.

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

Adding to 22111221000101 its reverse (10100012211122), we get a palindrome (32211233211223).

The spelling of 22111221000101 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred one", and thus it is an aban number.