211321213102 has 8 divisors (see below), whose sum is σ = 322178243112. Its totient is φ = 103928465400.

The previous prime is 211321213091. The next prime is 211321213123. The reversal of 211321213102 is 201312123112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211321213102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866070424 + ... + 866070667.

It is an arithmetic number, because the mean of its divisors is an integer number (40272280389).

Almost surely, 2^211321213102 is an apocalyptic number.

211321213102 is a deficient number, since it is larger than the sum of its proper divisors (110857030010).

211321213102 is a wasteful number, since it uses less digits than its factorization.

211321213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732141154.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211321213102 its reverse (201312123112), we get a palindrome (412633336214).

The spelling of 211321213102 in words is "two hundred eleven billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred two".