212011222101102 has 32 divisors (see below), whose sum is σ = 475800762483360. Its totient is φ = 69970700361600.

The previous prime is 212011222100947. The next prime is 212011222101103. The reversal of 212011222101102 is 201101222110212.

212011222101102 is a `hidden beast` number, since 21 + 201 + 122 + 210 + 110 + 2 = 666.

212011222101102 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212011222101102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011222101103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19436300203 + ... + 19436311110.

It is an arithmetic number, because the mean of its divisors is an integer number (14868773827605).

Almost surely, 2^{212011222101102} is an apocalyptic number.

212011222101102 is an abundant number, since it is smaller than the sum of its proper divisors (263789540382258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212011222101102 is a wasteful number, since it uses less digits than its factorization.

212011222101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38872611425 (or 38872611419 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212011222101102 its reverse (201101222110212), we get a palindrome (413112444211314).

The spelling of 212011222101102 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-two million, one hundred one thousand, one hundred two".