212111300102 has 16 divisors (see below), whose sum is σ = 342649167840. Its totient is φ = 97895284032.

The previous prime is 212111300101. The next prime is 212111300113. The reversal of 212111300102 is 201003111212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111300101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759823 + ... + 1876485.

It is an arithmetic number, because the mean of its divisors is an integer number (21415572990).

Almost surely, 2^212111300102 is an apocalyptic number.

212111300102 is a deficient number, since it is larger than the sum of its proper divisors (130537867738).

212111300102 is a wasteful number, since it uses less digits than its factorization.

212111300102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186607.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212111300102 its reverse (201003111212), we get a palindrome (413114411314).

The spelling of 212111300102 in words is "two hundred twelve billion, one hundred eleven million, three hundred thousand, one hundred two".