120011002122 has 128 divisors (see below), whose sum is σ = 274555733760. Its totient is φ = 34637783040.

The previous prime is 120011002117. The next prime is 120011002123. The reversal of 120011002122 is 221200110021.

It is a junction number, because it is equal to n+sod(n) for n = 120011002098 and 120011002107.

It is not an unprimeable number, because it can be changed into a prime (120011002123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69249568 + ... + 69251300.

It is an arithmetic number, because the mean of its divisors is an integer number (2144966670).

Almost surely, 2^120011002122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120011002122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137277866880).

120011002122 is an abundant number, since it is smaller than the sum of its proper divisors (154544731638).

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

120011002122 is a wasteful number, since it uses less digits than its factorization.

120011002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120011002122 its reverse (221200110021), we get a palindrome (341211112143).

It can be divided in two parts, 1200110021 and 22, that multiplied together give a palindrome (26402420462).

The spelling of 120011002122 in words is "one hundred twenty billion, eleven million, two thousand, one hundred twenty-two".