120211122121020 has 120 divisors (see below), whose sum is σ = 430979134163424. Its totient is φ = 27476827910784.

The previous prime is 120211122121003. The next prime is 120211122121037. The reversal of 120211122121020 is 20121221112021.

120211122121020 is a `hidden beast` number, since 1 + 2 + 0 + 211 + 1 + 221 + 210 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (120211122121003) and next prime (120211122121037).

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 = 120211122120984 and 120211122121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5300302687 + ... + 5300325366.

Almost surely, 2^{120211122121020} is an apocalyptic number.

120211122121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211122121020 is an abundant number, since it is smaller than the sum of its proper divisors (310768012042404).

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

120211122121020 is a wasteful number, since it uses less digits than its factorization.

120211122121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600628081 (or 10600628070 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120211122121020 its reverse (20121221112021), we get a palindrome (140332343233041).

The spelling of 120211122121020 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty".