212101102 has 8 divisors (see below), whose sum is σ = 321240816. Its totient is φ = 105020832.

The previous prime is 212101079. The next prime is 212101103. The reversal of 212101102 is 201101212.

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

It is a super-2 number, since 2×212101102² = 89973754939228808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101103) 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, 514603 + ... + 515014.

It is an arithmetic number, because the mean of its divisors is an integer number (40155102).

Almost surely, 2^212101102 is an apocalyptic number.

212101102 is a deficient number, since it is larger than the sum of its proper divisors (109139714).

212101102 is a wasteful number, since it uses less digits than its factorization.

212101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029722.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 212101102 is about 14563.6912216649. The cubic root of 212101102 is about 596.3679675229.

Adding to 212101102 its reverse (201101212), we get a palindrome (413202314).

The spelling of 212101102 in words is "two hundred twelve million, one hundred one thousand, one hundred two".