122111101340 has 48 divisors (see below), whose sum is σ = 257640391008. Its totient is φ = 48614697984.

The previous prime is 122111101283. The next prime is 122111101367. The reversal of 122111101340 is 43101111221.

It is a super-2 number, since 2×122111101340² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16972784 + ... + 16979976.

It is an arithmetic number, because the mean of its divisors is an integer number (5367508146).

Almost surely, 2^122111101340 is an apocalyptic number.

122111101340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111101340 is an abundant number, since it is smaller than the sum of its proper divisors (135529289668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122111101340 is a wasteful number, since it uses less digits than its factorization.

122111101340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11078 (or 11076 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122111101340 its reverse (43101111221), we get a palindrome (165212212561).

The spelling of 122111101340 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred one thousand, three hundred forty".