201012112202121 has 40 divisors (see below), whose sum is σ = 327576817950624. Its totient is φ = 121824955774080.

The previous prime is 201012112202101. The next prime is 201012112202183. The reversal of 201012112202121 is 121202211210102.

201012112202121 is a `hidden beast` number, since 20 + 1 + 0 + 1 + 211 + 220 + 212 + 1 = 666.

201012112202121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201012112202121 - 2¹⁰ = 201012112201097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012112202094 and 201012112202103.

It is not an unprimeable number, because it can be changed into a prime (201012112202101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 268375681 + ... + 269123633.

Almost surely, 2^{201012112202121} is an apocalyptic number.

It is an amenable number.

201012112202121 is a deficient number, since it is larger than the sum of its proper divisors (126564705748503).

201012112202121 is a wasteful number, since it uses less digits than its factorization.

201012112202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049603 (or 1049594 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201012112202121 its reverse (121202211210102), we get a palindrome (322214323412223).

The spelling of 201012112202121 in words is "two hundred one trillion, twelve billion, one hundred twelve million, two hundred two thousand, one hundred twenty-one".