122021122210 has 32 divisors (see below), whose sum is σ = 236564338752. Its totient is φ = 45048031680.

The previous prime is 122021122177. The next prime is 122021122217. The reversal of 122021122210 is 12221120221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122021122217) 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, 1001505 + ... + 1116715.

It is an arithmetic number, because the mean of its divisors is an integer number (7392635586).

Almost surely, 2^122021122210 is an apocalyptic number.

122021122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122021122210 is a deficient number, since it is larger than the sum of its proper divisors (114543216542).

122021122210 is a wasteful number, since it uses less digits than its factorization.

122021122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123378.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122021122210 its reverse (12221120221), we get a palindrome (134242242431).

It can be divided in two parts, 1220211 and 22210, that added together give a palindrome (1242421).

The spelling of 122021122210 in words is "one hundred twenty-two billion, twenty-one million, one hundred twenty-two thousand, two hundred ten".