211111220101102 has 8 divisors (see below), whose sum is σ = 316668710398176. Its totient is φ = 105554983301712.

The previous prime is 211111220101099. The next prime is 211111220101139. The reversal of 211111220101102 is 201101022111112.

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

It is a super-2 number, since 2×211111220101102² (a number of 29 digits) contains 22 as substring.

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, 312953263 + ... + 313627114.

It is an arithmetic number, because the mean of its divisors is an integer number (39583588799772).

Almost surely, 2^{211111220101102} is an apocalyptic number.

211111220101102 is a deficient number, since it is larger than the sum of its proper divisors (105557490297074).

211111220101102 is a wasteful number, since it uses less digits than its factorization.

211111220101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626748842.

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

Adding to 211111220101102 its reverse (201101022111112), we get a palindrome (412212242212214).

The spelling of 211111220101102 in words is "two hundred eleven trillion, one hundred eleven billion, two hundred twenty million, one hundred one thousand, one hundred two".