211101120212 has 24 divisors (see below), whose sum is σ = 384405751296. Its totient is φ = 101355651488.

The previous prime is 211101120089. The next prime is 211101120247. The reversal of 211101120212 is 212021101112.

It is a super-2 number, since 2×211101120212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 10583228 + ... + 10603155.

It is an arithmetic number, because the mean of its divisors is an integer number (16016906304).

Almost surely, 2^211101120212 is an apocalyptic number.

It is an amenable number.

211101120212 is a deficient number, since it is larger than the sum of its proper divisors (173304631084).

211101120212 is a wasteful number, since it uses less digits than its factorization.

211101120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21186487 (or 21186485 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211101120212 its reverse (212021101112), we get a palindrome (423122221324).

The spelling of 211101120212 in words is "two hundred eleven billion, one hundred one million, one hundred twenty thousand, two hundred twelve".