211211202102112 has 12 divisors (see below), whose sum is σ = 415822054138596. Its totient is φ = 105605601051040.

The previous prime is 211211202102101. The next prime is 211211202102139. The reversal of 211211202102112 is 211201202112112.

It is a happy number.

It is a super-4 number, since 4×211211202102112⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 211211202102112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300175032814 + ... + 3300175032877.

It is an arithmetic number, because the mean of its divisors is an integer number (34651837844883).

Almost surely, 2^{211211202102112} is an apocalyptic number.

It is an amenable number.

211211202102112 is a deficient number, since it is larger than the sum of its proper divisors (204610852036484).

211211202102112 is an equidigital number, since it uses as much as digits as its factorization.

211211202102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600350065701 (or 6600350065693 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211211202102112 its reverse (211201202112112), we get a palindrome (422412404214224).

The spelling of 211211202102112 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred two million, one hundred two thousand, one hundred twelve".