211211022220102 has 8 divisors (see below), whose sum is σ = 316947937955112. Its totient is φ = 105561709568400.

The previous prime is 211211022220097. The next prime is 211211022220109. The reversal of 211211022220102 is 201022220112112.

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

It is a super-2 number, since 2×211211022220102² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211211022220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211022220109) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 21900764799 + ... + 21900774442.

It is an arithmetic number, because the mean of its divisors is an integer number (39618492244389).

Almost surely, 2^{211211022220102} is an apocalyptic number.

211211022220102 is a deficient number, since it is larger than the sum of its proper divisors (105736915735010).

211211022220102 is a wasteful number, since it uses less digits than its factorization.

211211022220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43801541654.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211211022220102 its reverse (201022220112112), we get a palindrome (412233242332214).

The spelling of 211211022220102 in words is "two hundred eleven trillion, two hundred eleven billion, twenty-two million, two hundred twenty thousand, one hundred two".