211111002021102 has 8 divisors (see below), whose sum is σ = 422222004042216. Its totient is φ = 70370334007032.

The previous prime is 211111002021097. The next prime is 211111002021121. The reversal of 211111002021102 is 201120200111112.

It is a happy number.

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

211111002021102 is an admirable number.

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, 17592583501753 + ... + 17592583501764.

It is an arithmetic number, because the mean of its divisors is an integer number (52777750505277).

Almost surely, 2^{211111002021102} is an apocalyptic number.

211111002021102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211111002021102 is a wasteful number, since it uses less digits than its factorization.

211111002021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185167003522.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211111002021102 its reverse (201120200111112), we get a palindrome (412231202132214).

The spelling of 211111002021102 in words is "two hundred eleven trillion, one hundred eleven billion, two million, twenty-one thousand, one hundred two".