211211211012002 has 16 divisors (see below), whose sum is σ = 317000828628792. Its totient is φ = 105544283235840.

The previous prime is 211211211012001. The next prime is 211211211012007. The reversal of 211211211012002 is 200210112112112.

It can be written as a sum of positive squares in 4 ways, for example, as 207745205930161 + 3466005081841 = 14413369^2 + 1861721^2 .

It is a super-2 number, since 2×211211211012002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211211211012001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24234002 + ... + 31775922.

Almost surely, 2^{211211211012002} is an apocalyptic number.

211211211012002 is a deficient number, since it is larger than the sum of its proper divisors (105789617616790).

211211211012002 is a wasteful number, since it uses less digits than its factorization.

211211211012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550053.

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

Adding to 211211211012002 its reverse (200210112112112), we get a palindrome (411421323124114).

The spelling of 211211211012002 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred eleven million, twelve thousand, two".