2021111002012 has 96 divisors (see below), whose sum is σ = 3808315828800. Its totient is φ = 936607537152.

The previous prime is 2021111002003. The next prime is 2021111002033. The reversal of 2021111002012 is 2102001111202.

It is a super-3 number, since 3×2021111002012³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021111001983 and 2021111002001.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 288191418 + ... + 288198430.

It is an arithmetic number, because the mean of its divisors is an integer number (39669956550).

Almost surely, 2^{2021111002012} is an apocalyptic number.

It is an amenable number.

2021111002012 is a deficient number, since it is larger than the sum of its proper divisors (1787204826788).

2021111002012 is a wasteful number, since it uses less digits than its factorization.

2021111002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975 (or 7973 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021111002012 its reverse (2102001111202), we get a palindrome (4123112113214).

The spelling of 2021111002012 in words is "two trillion, twenty-one billion, one hundred eleven million, two thousand, twelve".