20120120111322 has 192 divisors, whose sum is σ = 56265476117760. Its totient is φ = 5042130508800.

The previous prime is 20120120111269. The next prime is 20120120111327. The reversal of 20120120111322 is 22311102102102.

20120120111322 is a `hidden beast` number, since 20 + 120 + 1 + 201 + 1 + 1 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20120120111295 and 20120120111304.

It is not an unprimeable number, because it can be changed into a prime (20120120111327) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55326678 + ... + 55689150.

It is an arithmetic number, because the mean of its divisors is an integer number (293049354780).

Almost surely, 2^{20120120111322} is an apocalyptic number.

20120120111322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120120111322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28132738058880).

20120120111322 is an abundant number, since it is smaller than the sum of its proper divisors (36145356006438).

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

20120120111322 is a wasteful number, since it uses less digits than its factorization.

20120120111322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363909 (or 363906 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20120120111322 its reverse (22311102102102), we get a palindrome (42431222213424).

It can be divided in two parts, 201201201 and 11322, that multiplied together give a palindrome (2277999997722).

The spelling of 20120120111322 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, three hundred twenty-two".