201121120020022 has 32 divisors (see below), whose sum is σ = 312936788736000. Its totient is φ = 96840735667200.

The previous prime is 201121120019951. The next prime is 201121120020047. The reversal of 201121120020022 is 220020021121102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201121120019978 and 201121120020005.

It is a congruent number.

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, 85163254 + ... + 87492982.

It is an arithmetic number, because the mean of its divisors is an integer number (9779274648000).

Almost surely, 2^{201121120020022} is an apocalyptic number.

201121120020022 is a deficient number, since it is larger than the sum of its proper divisors (111815668715978).

201121120020022 is a wasteful number, since it uses less digits than its factorization.

201121120020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336572.

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

Adding to 201121120020022 its reverse (220020021121102), we get a palindrome (421141141141124).

The spelling of 201121120020022 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty million, twenty thousand, twenty-two".