122000020211111 has 24 divisors (see below), whose sum is σ = 146907278313120. Its totient is φ = 100900097589312.

The previous prime is 122000020211107. The next prime is 122000020211119. The reversal of 122000020211111 is 111112020000221.

It is not a de Polignac number, because 122000020211111 - 2² = 122000020211107 is a prime.

It is a super-2 number, since 2×122000020211111² (a number of 29 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 (122000020211119) 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 23 ways as a sum of consecutive naturals, for example, 25628216 + ... + 30013421.

It is an arithmetic number, because the mean of its divisors is an integer number (6121136596380).

Almost surely, 2^{122000020211111} is an apocalyptic number.

122000020211111 is a deficient number, since it is larger than the sum of its proper divisors (24907258102009).

122000020211111 is a wasteful number, since it uses less digits than its factorization.

122000020211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55643223 (or 55643216 counting only the distinct ones).

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

Adding to 122000020211111 its reverse (111112020000221), we get a palindrome (233112040211332).

The spelling of 122000020211111 in words is "one hundred twenty-two trillion, twenty million, two hundred eleven thousand, one hundred eleven".