210220111120122 has 32 divisors (see below), whose sum is σ = 472784185661760. Its totient is φ = 69229112897520.

The previous prime is 210220111120067. The next prime is 210220111120127. The reversal of 210220111120122 is 221021111022012.

210220111120122 is a `hidden beast` number, since 210 + 2 + 201 + 11 + 120 + 122 = 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 = 210220111120095 and 210220111120104.

It is not an unprimeable number, because it can be changed into a prime (210220111120127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23451592029 + ... + 23451600992.

It is an arithmetic number, because the mean of its divisors is an integer number (14774505801930).

Almost surely, 2^{210220111120122} is an apocalyptic number.

210220111120122 is an abundant number, since it is smaller than the sum of its proper divisors (262564074541638).

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

210220111120122 is a wasteful number, since it uses less digits than its factorization.

210220111120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46903193115 (or 46903193109 counting only the distinct ones).

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

Adding to 210220111120122 its reverse (221021111022012), we get a palindrome (431241222142134).

The spelling of 210220111120122 in words is "two hundred ten trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-two".