211211102101012 has 12 divisors (see below), whose sum is σ = 398051692421236. Its totient is φ = 97482047123520.

The previous prime is 211211102101009. The next prime is 211211102101091. The reversal of 211211102101012 is 210101201112112.

It can be written as a sum of positive squares in 2 ways, for example, as 13971716991376 + 197239385109636 = 3737876^2 + 14044194^2 .

It is a super-3 number, since 3×211211102101012³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 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, 2030875981689 + ... + 2030875981792.

Almost surely, 2^{211211102101012} is an apocalyptic number.

It is an amenable number.

211211102101012 is a deficient number, since it is larger than the sum of its proper divisors (186840590320224).

211211102101012 is a wasteful number, since it uses less digits than its factorization.

211211102101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061751963498 (or 4061751963496 counting only the distinct ones).

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

Adding to 211211102101012 its reverse (210101201112112), we get a palindrome (421312303213124).

The spelling of 211211102101012 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred two million, one hundred one thousand, twelve".