2012111202021 has 8 divisors (see below), whose sum is σ = 2682825030144. Its totient is φ = 1341402420960.

The previous prime is 2012111201929. The next prime is 2012111202113. The reversal of 2012111202021 is 1202021112102.

It is an interprime number because it is at equal distance from previous prime (2012111201929) and next prime (2012111202113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012111202021 - 2⁹ = 2012111201509 is a prime.

It is a super-3 number, since 3×2012111202021³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012111202421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205125 + ... + 2016506.

It is an arithmetic number, because the mean of its divisors is an integer number (335353128768).

Almost surely, 2^{2012111202021} is an apocalyptic number.

It is an amenable number.

2012111202021 is a deficient number, since it is larger than the sum of its proper divisors (670713828123).

2012111202021 is a wasteful number, since it uses less digits than its factorization.

2012111202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523531.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012111202021 its reverse (1202021112102), we get a palindrome (3214132314123).

The spelling of 2012111202021 in words is "two trillion, twelve billion, one hundred eleven million, two hundred two thousand, twenty-one".