211121102 has 8 divisors (see below), whose sum is σ = 327601800. Its totient is φ = 101920504.

The previous prime is 211121089. The next prime is 211121107. The reversal of 211121102 is 201121112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×211121102⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819952 + ... + 1820067.

It is an arithmetic number, because the mean of its divisors is an integer number (40950225).

Almost surely, 2^211121102 is an apocalyptic number.

211121102 is a deficient number, since it is larger than the sum of its proper divisors (116480698).

211121102 is a wasteful number, since it uses less digits than its factorization.

211121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640050.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 211121102 is about 14530.0069511339. The cubic root of 211121102 is about 595.4480555183.

Adding to 211121102 its reverse (201121112), we get a palindrome (412242214).

The spelling of 211121102 in words is "two hundred eleven million, one hundred twenty-one thousand, one hundred two".