211011120930 has 64 divisors (see below), whose sum is σ = 533227593600. Its totient is φ = 53293386240.

The previous prime is 211011120923. The next prime is 211011120941. The reversal of 211011120930 is 39021110112.

It is a happy number.

It is a super-2 number, since 2×211011120930² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211011120897 and 211011120906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2099220 + ... + 2197440.

It is an arithmetic number, because the mean of its divisors is an integer number (8331681150).

Almost surely, 2^211011120930 is an apocalyptic number.

211011120930 is an abundant number, since it is smaller than the sum of its proper divisors (322216472670).

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

211011120930 is a wasteful number, since it uses less digits than its factorization.

211011120930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102019.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 211011120930 in words is "two hundred eleven billion, eleven million, one hundred twenty thousand, nine hundred thirty".