212211112100102 has 4 divisors (see below), whose sum is σ = 318316668150156. Its totient is φ = 106105556050050.

The previous prime is 212211112100033. The next prime is 212211112100111. The reversal of 212211112100102 is 201001211112212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53052778025024 + ... + 53052778025027.

It is an arithmetic number, because the mean of its divisors is an integer number (79579167037539).

Almost surely, 2^{212211112100102} is an apocalyptic number.

212211112100102 is a deficient number, since it is larger than the sum of its proper divisors (106105556050054).

212211112100102 is a wasteful number, since it uses less digits than its factorization.

212211112100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106105556050053.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212211112100102 its reverse (201001211112212), we get a palindrome (413212323212314).

The spelling of 212211112100102 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twelve million, one hundred thousand, one hundred two".