210011001221012 has 12 divisors (see below), whose sum is σ = 367556628311796. Its totient is φ = 104994821703360.

The previous prime is 210011001220987. The next prime is 210011001221029. The reversal of 210011001221012 is 210122100110012.

It can be written as a sum of positive squares in 2 ways, for example, as 77027759690116 + 132983241530896 = 8776546^2 + 11531836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669682539 + ... + 2669761202.

It is an arithmetic number, because the mean of its divisors is an integer number (30629719025983).

Almost surely, 2^{210011001221012} is an apocalyptic number.

It is an amenable number.

210011001221012 is a deficient number, since it is larger than the sum of its proper divisors (157545627090784).

210011001221012 is a wasteful number, since it uses less digits than its factorization.

210011001221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339453578 (or 5339453576 counting only the distinct ones).

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

Adding to 210011001221012 its reverse (210122100110012), we get a palindrome (420133101331024).

It can be divided in two parts, 2100110012 and 21012, that multiplied together give a palindrome (44127511572144).

The spelling of 210011001221012 in words is "two hundred ten trillion, eleven billion, one million, two hundred twenty-one thousand, twelve".