20021210201122 has 32 divisors (see below), whose sum is σ = 32391244025280. Its totient is φ = 9226477592640.

The previous prime is 20021210201119. The next prime is 20021210201131. The reversal of 20021210201122 is 22110201212002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20021210201096 and 20021210201105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547443097 + ... + 547479667.

It is an arithmetic number, because the mean of its divisors is an integer number (1012226375790).

Almost surely, 2^{20021210201122} is an apocalyptic number.

20021210201122 is a deficient number, since it is larger than the sum of its proper divisors (12370033824158).

20021210201122 is a wasteful number, since it uses less digits than its factorization.

20021210201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68098.

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

Adding to 20021210201122 its reverse (22110201212002), we get a palindrome (42131411413124).

The spelling of 20021210201122 in words is "twenty trillion, twenty-one billion, two hundred ten million, two hundred one thousand, one hundred twenty-two".