201211212111002 has 16 divisors (see below), whose sum is σ = 301841124003432. Its totient is φ = 100597504465920.

The previous prime is 201211212110969. The next prime is 201211212111083. The reversal of 201211212111002 is 200111212112102.

It can be written as a sum of positive squares in 4 ways, for example, as 200181212428681 + 1029999682321 = 14148541^2 + 1014889^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1744129802 + ... + 1744245162.

Almost surely, 2^{201211212111002} is an apocalyptic number.

201211212111002 is a deficient number, since it is larger than the sum of its proper divisors (100629911892430).

201211212111002 is a wasteful number, since it uses less digits than its factorization.

201211212111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178033.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201211212111002 its reverse (200111212112102), we get a palindrome (401322424223104).

The spelling of 201211212111002 in words is "two hundred one trillion, two hundred eleven billion, two hundred twelve million, one hundred eleven thousand, two".