212101132220102 has 4 divisors (see below), whose sum is σ = 318151698330156. Its totient is φ = 106050566110050.

The previous prime is 212101132220059. The next prime is 212101132220113. The reversal of 212101132220102 is 201022231101212.

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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025283055024 + ... + 53025283055027.

It is an arithmetic number, because the mean of its divisors is an integer number (79537924582539).

Almost surely, 2^{212101132220102} is an apocalyptic number.

212101132220102 is a deficient number, since it is larger than the sum of its proper divisors (106050566110054).

212101132220102 is a wasteful number, since it uses less digits than its factorization.

212101132220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106050566110053.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212101132220102 its reverse (201022231101212), we get a palindrome (413123363321314).

The spelling of 212101132220102 in words is "two hundred twelve trillion, one hundred one billion, one hundred thirty-two million, two hundred twenty thousand, one hundred two".