22120101121111 has 8 divisors (see below), whose sum is σ = 25280149395744. Its totient is φ = 18960061303680.

The previous prime is 22120101121081. The next prime is 22120101121121. The reversal of 22120101121111 is 11112110102122.

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

It is not a de Polignac number, because 22120101121111 - 2⁷ = 22120101120983 is a prime.

It is a super-2 number, since 2×22120101121111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120101121121) 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, 5158011 + ... + 8416963.

It is an arithmetic number, because the mean of its divisors is an integer number (3160018674468).

Almost surely, 2^{22120101121111} is an apocalyptic number.

22120101121111 is a deficient number, since it is larger than the sum of its proper divisors (3160048274633).

22120101121111 is an equidigital number, since it uses as much as digits as its factorization.

22120101121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228601.

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

Adding to 22120101121111 its reverse (11112110102122), we get a palindrome (33232211223233).

It can be divided in two parts, 221201011 and 21111, that added together give a palindrome (221222122).

The spelling of 22120101121111 in words is "twenty-two trillion, one hundred twenty billion, one hundred one million, one hundred twenty-one thousand, one hundred eleven".