211021102102 has 8 divisors (see below), whose sum is σ = 335151162216. Its totient is φ = 99304048032.

The previous prime is 211021102099. The next prime is 211021102133. The reversal of 211021102102 is 201201120112.

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

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, 3103251468 + ... + 3103251535.

It is an arithmetic number, because the mean of its divisors is an integer number (41893895277).

Almost surely, 2^211021102102 is an apocalyptic number.

211021102102 is a deficient number, since it is larger than the sum of its proper divisors (124130060114).

211021102102 is a wasteful number, since it uses less digits than its factorization.

211021102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206503022.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211021102102 its reverse (201201120112), we get a palindrome (412222222214).

The spelling of 211021102102 in words is "two hundred eleven billion, twenty-one million, one hundred two thousand, one hundred two".