201121200100022 has 4 divisors (see below), whose sum is σ = 301681800150036. Its totient is φ = 100560600050010.

The previous prime is 201121200100013. The next prime is 201121200100043. The reversal of 201121200100022 is 220001002121102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280300025004 + ... + 50280300025007.

It is an arithmetic number, because the mean of its divisors is an integer number (75420450037509).

Almost surely, 2^{201121200100022} is an apocalyptic number.

201121200100022 is a deficient number, since it is larger than the sum of its proper divisors (100560600050014).

201121200100022 is a wasteful number, since it uses less digits than its factorization.

201121200100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100560600050013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201121200100022 its reverse (220001002121102), we get a palindrome (421122202221124).

The spelling of 201121200100022 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred million, one hundred thousand, twenty-two".