122111211021112 has 8 divisors (see below), whose sum is σ = 228958520664600. Its totient is φ = 61055605510552.

The previous prime is 122111211021101. The next prime is 122111211021139. The reversal of 122111211021112 is 211120112111221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×122111211021112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122111211021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7631950688812 + ... + 7631950688827.

It is an arithmetic number, because the mean of its divisors is an integer number (28619815083075).

Almost surely, 2^{122111211021112} is an apocalyptic number.

It is an amenable number.

122111211021112 is a deficient number, since it is larger than the sum of its proper divisors (106847309643488).

122111211021112 is a wasteful number, since it uses less digits than its factorization.

122111211021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15263901377645 (or 15263901377641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 122111211021112 its reverse (211120112111221), we get a palindrome (333231323132333).

The spelling of 122111211021112 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred eleven million, twenty-one thousand, one hundred twelve".