122000211021111 has 8 divisors (see below), whose sum is σ = 163196807794944. Its totient is φ = 81068544130680.

The previous prime is 122000211021103. The next prime is 122000211021113. The reversal of 122000211021111 is 111120112000221.

It is a happy number.

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

It is not a de Polignac number, because 122000211021111 - 2³ = 122000211021103 is a prime.

It is a super-2 number, since 2×122000211021111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000211021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66232469775 + ... + 66232471616.

It is an arithmetic number, because the mean of its divisors is an integer number (20399600974368).

Almost surely, 2^{122000211021111} is an apocalyptic number.

122000211021111 is a deficient number, since it is larger than the sum of its proper divisors (41196596773833).

122000211021111 is a wasteful number, since it uses less digits than its factorization.

122000211021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132464941701.

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

Adding to 122000211021111 its reverse (111120112000221), we get a palindrome (233120323021332).

The spelling of 122000211021111 in words is "one hundred twenty-two trillion, two hundred eleven million, twenty-one thousand, one hundred eleven".