201121000111112 has 16 divisors (see below), whose sum is σ = 383283873163500. Its totient is φ = 98911967267520.

The previous prime is 201121000111111. The next prime is 201121000111139. The reversal of 201121000111112 is 211111000121102.

It can be written as a sum of positive squares in 2 ways, for example, as 199807101878596 + 1313898232516 = 14135314^2 + 1146254^2 .

It is a super-3 number, since 3×201121000111112³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (201121000111111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206066597987 + ... + 206066598962.

Almost surely, 2^{201121000111112} is an apocalyptic number.

It is an amenable number.

201121000111112 is a deficient number, since it is larger than the sum of its proper divisors (182162873052388).

201121000111112 is a wasteful number, since it uses less digits than its factorization.

201121000111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412133197016 (or 412133197012 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201121000111112 its reverse (211111000121102), we get a palindrome (412232000232214).

The spelling of 201121000111112 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred eleven thousand, one hundred twelve".