2101212011012 has 12 divisors (see below), whose sum is σ = 3687657185100. Its totient is φ = 1047595672416.

The previous prime is 2101212010927. The next prime is 2101212011029. The reversal of 2101212011012 is 2101102121012.

It can be written as a sum of positive squares in 2 ways, for example, as 1504758542596 + 596453468416 = 1226686^2 + 772304^2 .

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 3 ways as a sum of consecutive naturals, for example, 752581703 + ... + 752584494.

It is an arithmetic number, because the mean of its divisors is an integer number (307304765425).

Almost surely, 2^{2101212011012} is an apocalyptic number.

It is an amenable number.

2101212011012 is a deficient number, since it is larger than the sum of its proper divisors (1586445174088).

2101212011012 is a wasteful number, since it uses less digits than its factorization.

2101212011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505166550 (or 1505166548 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101212011012 its reverse (2101102121012), we get a palindrome (4202314132024).

The spelling of 2101212011012 in words is "two trillion, one hundred one billion, two hundred twelve million, eleven thousand, twelve".