211012010111 has 16 divisors (see below), whose sum is σ = 268781333760. Its totient is φ = 161268796800.

The previous prime is 211012010081. The next prime is 211012010171. The reversal of 211012010111 is 111010210112.

It is a cyclic number.

It is not a de Polignac number, because 211012010111 - 2¹⁴ = 211011993727 is a prime.

It is a super-2 number, since 2×211012010111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211012010092 and 211012010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012010171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46661165 + ... + 46665686.

It is an arithmetic number, because the mean of its divisors is an integer number (16798833360).

Almost surely, 2^211012010111 is an apocalyptic number.

211012010111 is a deficient number, since it is larger than the sum of its proper divisors (57769323649).

211012010111 is a wasteful number, since it uses less digits than its factorization.

211012010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93326894.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211012010111 its reverse (111010210112), we get a palindrome (322022220223).

The spelling of 211012010111 in words is "two hundred eleven billion, twelve million, ten thousand, one hundred eleven".