120211020220122 has 96 divisors (see below), whose sum is σ = 282614727507840. Its totient is φ = 36708333010560.

The previous prime is 120211020220117. The next prime is 120211020220127. The reversal of 120211020220122 is 221022020112021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120211020220117) and next prime (120211020220127).

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 = 120211020220095 and 120211020220104.

It is not an unprimeable number, because it can be changed into a prime (120211020220127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87496348 + ... + 88859624.

It is an arithmetic number, because the mean of its divisors is an integer number (2943903411540).

Almost surely, 2^{120211020220122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120211020220122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141307363753920).

120211020220122 is an abundant number, since it is smaller than the sum of its proper divisors (162403707287718).

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

120211020220122 is a wasteful number, since it uses less digits than its factorization.

120211020220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366148 (or 1366145 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120211020220122 its reverse (221022020112021), we get a palindrome (341233040332143).

The spelling of 120211020220122 in words is "one hundred twenty trillion, two hundred eleven billion, twenty million, two hundred twenty thousand, one hundred twenty-two".