2021011001012 has 24 divisors (see below), whose sum is σ = 3555192332160. Its totient is φ = 1005255279680.

The previous prime is 2021011000999. The next prime is 2021011001017. The reversal of 2021011001012 is 2101001101202.

It is a junction number, because it is equal to n+sod(n) for n = 2021011000984 and 2021011001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021011001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090937 + ... + 2287392.

It is an arithmetic number, because the mean of its divisors is an integer number (148133013840).

Almost surely, 2^{2021011001012} is an apocalyptic number.

It is an amenable number.

2021011001012 is a deficient number, since it is larger than the sum of its proper divisors (1534181331148).

2021011001012 is a wasteful number, since it uses less digits than its factorization.

2021011001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379111 (or 3379109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2021011001012 its reverse (2101001101202), we get a palindrome (4122012102214).

The spelling of 2021011001012 in words is "two trillion, twenty-one billion, eleven million, one thousand, twelve".