211121323132102 has 4 divisors (see below), whose sum is σ = 316681984698156. Its totient is φ = 105560661566050.

The previous prime is 211121323131959. The next prime is 211121323132103. The reversal of 211121323132102 is 201231323121112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121323132103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780330783024 + ... + 52780330783027.

It is an arithmetic number, because the mean of its divisors is an integer number (79170496174539).

Almost surely, 2^{211121323132102} is an apocalyptic number.

211121323132102 is a deficient number, since it is larger than the sum of its proper divisors (105560661566054).

211121323132102 is a wasteful number, since it uses less digits than its factorization.

211121323132102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105560661566053.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 211121323132102 its reverse (201231323121112), we get a palindrome (412352646253214).

The spelling of 211121323132102 in words is "two hundred eleven trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred thirty-two thousand, one hundred two".