2122001220111 has 8 divisors (see below), whose sum is σ = 2995766428464. Its totient is φ = 1331451745920.

The previous prime is 2122001220083. The next prime is 2122001220133. The reversal of 2122001220111 is 1110221002212.

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

It is not a de Polignac number, because 2122001220111 - 2⁶ = 2122001220047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122001220151) 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, 20803933480 + ... + 20803933581.

It is an arithmetic number, because the mean of its divisors is an integer number (374470803558).

Almost surely, 2^{2122001220111} is an apocalyptic number.

2122001220111 is a deficient number, since it is larger than the sum of its proper divisors (873765208353).

2122001220111 is a wasteful number, since it uses less digits than its factorization.

2122001220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41607867081.

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

Adding to 2122001220111 its reverse (1110221002212), we get a palindrome (3232222222323).

The spelling of 2122001220111 in words is "two trillion, one hundred twenty-two billion, one million, two hundred twenty thousand, one hundred eleven".