120211122201021 has 64 divisors (see below), whose sum is σ = 194659273923840. Its totient is φ = 73020509614080.

The previous prime is 120211122201007. The next prime is 120211122201031. The reversal of 120211122201021 is 120102221112021.

120211122201021 is a `hidden beast` number, since 120 + 211 + 12 + 220 + 102 + 1 = 666.

It is not a de Polignac number, because 120211122201021 - 2⁷ = 120211122200893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120211122200985 and 120211122201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211122201031) 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, 24719490 + ... + 29180051.

It is an arithmetic number, because the mean of its divisors is an integer number (3041551155060).

Almost surely, 2^{120211122201021} is an apocalyptic number.

It is an amenable number.

120211122201021 is a deficient number, since it is larger than the sum of its proper divisors (74448151722819).

120211122201021 is a wasteful number, since it uses less digits than its factorization.

120211122201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53899723 (or 53899717 counting only the distinct ones).

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

Adding to 120211122201021 its reverse (120102221112021), we get a palindrome (240313343313042).

The spelling of 120211122201021 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, two hundred one thousand, twenty-one".