201121110022 has 16 divisors (see below), whose sum is σ = 344791779840. Its totient is φ = 86191577928.

The previous prime is 201121109957. The next prime is 201121110059. The reversal of 201121110022 is 220011121102.

It is a junction number, because it is equal to n+sod(n) for n = 201121109984 and 201121110011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149683 + ... + 651649.

It is an arithmetic number, because the mean of its divisors is an integer number (21549486240).

Almost surely, 2^201121110022 is an apocalyptic number.

201121110022 is a deficient number, since it is larger than the sum of its proper divisors (143670669818).

201121110022 is a wasteful number, since it uses less digits than its factorization.

201121110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530595.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201121110022 its reverse (220011121102), we get a palindrome (421132231124).

The spelling of 201121110022 in words is "two hundred one billion, one hundred twenty-one million, one hundred ten thousand, twenty-two".