201220121001110 has 32 divisors (see below), whose sum is σ = 362305554460992. Its totient is φ = 80463755059200.

The previous prime is 201220121001077. The next prime is 201220121001113. The reversal of 201220121001110 is 11100121022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220121001113) 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, 448614314 + ... + 449062626.

It is an arithmetic number, because the mean of its divisors is an integer number (11322048576906).

Almost surely, 2^{201220121001110} is an apocalyptic number.

201220121001110 is a deficient number, since it is larger than the sum of its proper divisors (161085433459882).

201220121001110 is a wasteful number, since it uses less digits than its factorization.

201220121001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461768.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201220121001110 its reverse (11100121022102), we get a palindrome (212320242023212).

The spelling of 201220121001110 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty-one million, one thousand, one hundred ten".