211211211002102 has 16 divisors (see below), whose sum is σ = 325345848307200. Its totient is φ = 102800250669480.

The previous prime is 211211211002083. The next prime is 211211211002131. The reversal of 211211211002102 is 201200112112112.

It is a super-2 number, since 2×211211211002102² (a number of 29 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 9413931152 + ... + 9413953587.

It is an arithmetic number, because the mean of its divisors is an integer number (20334115519200).

Almost surely, 2^{211211211002102} is an apocalyptic number.

211211211002102 is a deficient number, since it is larger than the sum of its proper divisors (114134637305098).

211211211002102 is a wasteful number, since it uses less digits than its factorization.

211211211002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18827884891.

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

Adding to 211211211002102 its reverse (201200112112112), we get a palindrome (412411323114214).

The spelling of 211211211002102 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred eleven million, two thousand, one hundred two".