201121201010212 has 24 divisors (see below), whose sum is σ = 402243431619456. Its totient is φ = 86194579804608.

The previous prime is 201121201010179. The next prime is 201121201010237. The reversal of 201121201010212 is 212010102121102.

It is a super-3 number, since 3×201121201010212³ (a number of 44 digits) contains 333 as substring.

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, 2188713 + ... + 20175055.

It is an arithmetic number, because the mean of its divisors is an integer number (16760142984144).

Almost surely, 2^{201121201010212} is an apocalyptic number.

It is an amenable number.

201121201010212 is an abundant number, since it is smaller than the sum of its proper divisors (201122230609244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121201010212 is a wasteful number, since it uses less digits than its factorization.

201121201010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18385707 (or 18385705 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201121201010212 its reverse (212010102121102), we get a palindrome (413131303131314).

The spelling of 201121201010212 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred one million, ten thousand, two hundred twelve".