22001212020111 has 8 divisors (see below), whose sum is σ = 30610381941120. Its totient is φ = 14029758389592.

The previous prime is 22001212020061. The next prime is 22001212020127. The reversal of 22001212020111 is 11102021210022.

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

It is not a de Polignac number, because 22001212020111 - 2⁹ = 22001212019599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001212020191) 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, 159429072541 + ... + 159429072678.

It is an arithmetic number, because the mean of its divisors is an integer number (3826297742640).

Almost surely, 2^{22001212020111} is an apocalyptic number.

22001212020111 is a deficient number, since it is larger than the sum of its proper divisors (8609169921009).

22001212020111 is a wasteful number, since it uses less digits than its factorization.

22001212020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318858145245.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22001212020111 its reverse (11102021210022), we get a palindrome (33103233230133).

The spelling of 22001212020111 in words is "twenty-two trillion, one billion, two hundred twelve million, twenty thousand, one hundred eleven".