211002111020111 has 8 divisors (see below), whose sum is σ = 215909336125824. Its totient is φ = 206094894972120.

The previous prime is 211002111020101. The next prime is 211002111020131. The reversal of 211002111020111 is 111020111200112.

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

It is a cyclic number.

It is not a de Polignac number, because 211002111020111 - 2¹⁰ = 211002111019087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002111020101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75809870 + ... + 78543876.

It is an arithmetic number, because the mean of its divisors is an integer number (26988667015728).

Almost surely, 2^{211002111020111} is an apocalyptic number.

211002111020111 is a deficient number, since it is larger than the sum of its proper divisors (4907225105713).

211002111020111 is a wasteful number, since it uses less digits than its factorization.

211002111020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528861.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211002111020111 its reverse (111020111200112), we get a palindrome (322022222220223).

The spelling of 211002111020111 in words is "two hundred eleven trillion, two billion, one hundred eleven million, twenty thousand, one hundred eleven".