211232310102 has 48 divisors (see below), whose sum is σ = 528645575952. Its totient is φ = 60244508160.

The previous prime is 211232310101. The next prime is 211232310103. The reversal of 211232310102 is 201013232112.

211232310102 is a `hidden beast` number, since 21 + 1 + 232 + 310 + 102 = 666.

211232310102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211232310101) and next prime (211232310103).

It is a super-4 number, since 4×211232310102⁴ (a number of 46 digits) contains 4444 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 (211232310101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31373983 + ... + 31380714.

It is an arithmetic number, because the mean of its divisors is an integer number (11013449499).

Almost surely, 2^211232310102 is an apocalyptic number.

211232310102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211232310102 is an abundant number, since it is smaller than the sum of its proper divisors (317413265850).

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

211232310102 is a wasteful number, since it uses less digits than its factorization.

211232310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62754733 (or 62754730 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211232310102 its reverse (201013232112), we get a palindrome (412245542214).

The spelling of 211232310102 in words is "two hundred eleven billion, two hundred thirty-two million, three hundred ten thousand, one hundred two".