122111403040 has 96 divisors (see below), whose sum is σ = 314856460800. Its totient is φ = 44384102400.

The previous prime is 122111403013. The next prime is 122111403047. The reversal of 122111403040 is 40304111221.

It is a super-2 number, since 2×122111403040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111402999 and 122111403017.

It is not an unprimeable number, because it can be changed into a prime (122111403047) 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, 4207780 + ... + 4236700.

It is an arithmetic number, because the mean of its divisors is an integer number (3279754800).

Almost surely, 2^122111403040 is an apocalyptic number.

122111403040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122111403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157428230400).

122111403040 is an abundant number, since it is smaller than the sum of its proper divisors (192745057760).

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

122111403040 is a wasteful number, since it uses less digits than its factorization.

122111403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31346 (or 31338 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122111403040 its reverse (40304111221), we get a palindrome (162415514261).

The spelling of 122111403040 in words is "one hundred twenty-two billion, one hundred eleven million, four hundred three thousand, forty".