2101001011012 has 24 divisors (see below), whose sum is σ = 3836663510400. Its totient is φ = 1004812697856.

The previous prime is 2101001011007. The next prime is 2101001011027. The reversal of 2101001011012 is 2101101001012.

It is a super-2 number, since 2×2101001011012² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101001011012.

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 7 ways as a sum of consecutive naturals, for example, 10272564 + ... + 10475092.

It is an arithmetic number, because the mean of its divisors is an integer number (159860979600).

Almost surely, 2^{2101001011012} is an apocalyptic number.

It is an amenable number.

2101001011012 is a deficient number, since it is larger than the sum of its proper divisors (1735662499388).

2101001011012 is a wasteful number, since it uses less digits than its factorization.

2101001011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315315 (or 315313 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2101001011012 its reverse (2101101001012), we get a palindrome (4202102012024).

The spelling of 2101001011012 in words is "two trillion, one hundred one billion, one million, eleven thousand, twelve".