122212012201111 has 16 divisors (see below), whose sum is σ = 147892509745920. Its totient is φ = 98587399743360.

The previous prime is 122212012201087. The next prime is 122212012201121. The reversal of 122212012201111 is 111102210212221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122212012201111 - 2²⁵ = 122211978646679 is a prime.

It is a super-2 number, since 2×122212012201111² (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 (122212012201121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16709545 + ... + 22883026.

It is an arithmetic number, because the mean of its divisors is an integer number (9243281859120).

Almost surely, 2^{122212012201111} is an apocalyptic number.

122212012201111 is a deficient number, since it is larger than the sum of its proper divisors (25680497544809).

122212012201111 is a wasteful number, since it uses less digits than its factorization.

122212012201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39618534.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122212012201111 its reverse (111102210212221), we get a palindrome (233314222413332).

The spelling of 122212012201111 in words is "one hundred twenty-two trillion, two hundred twelve billion, twelve million, two hundred one thousand, one hundred eleven".