211021011120 has 40 divisors (see below), whose sum is σ = 654165135216. Its totient is φ = 56272269568.

The previous prime is 211021011079. The next prime is 211021011137. The reversal of 211021011120 is 21110120112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 211021011096 and 211021011105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439626867 + ... + 439627346.

Almost surely, 2^211021011120 is an apocalyptic number.

211021011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211021011120 is an abundant number, since it is smaller than the sum of its proper divisors (443144124096).

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

211021011120 is a wasteful number, since it uses less digits than its factorization.

211021011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879254229 (or 879254223 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211021011120 its reverse (21110120112), we get a palindrome (232131131232).

The spelling of 211021011120 in words is "two hundred eleven billion, twenty-one million, eleven thousand, one hundred twenty".