201211101002 has 16 divisors (see below), whose sum is σ = 302980321800. Its totient is φ = 100217763840.

The previous prime is 201211100971. The next prime is 201211101011. The reversal of 201211101002 is 200101112102.

It can be written as a sum of positive squares in 4 ways, for example, as 63710303281 + 137500797721 = 252409^2 + 370811^2 .

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 7 ways as a sum of consecutive naturals, for example, 4692074 + ... + 4734762.

Almost surely, 2^201211101002 is an apocalyptic number.

201211101002 is a deficient number, since it is larger than the sum of its proper divisors (101769220798).

201211101002 is a wasteful number, since it uses less digits than its factorization.

201211101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51721.

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

Adding to 201211101002 its reverse (200101112102), we get a palindrome (401312213104).

The spelling of 201211101002 in words is "two hundred one billion, two hundred eleven million, one hundred one thousand, two".