1000211120 has 40 divisors (see below), whose sum is σ = 2426603616. Its totient is φ = 382688768.

The previous prime is 1000211119. The next prime is 1000211153. The reversal of 1000211120 is 211120001.

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 (8).

It is a junction number, because it is equal to n+sod(n) for n = 1000211098 and 1000211107.

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, 269957 + ... + 273636.

Almost surely, 2^1000211120 is an apocalyptic number.

1000211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000211120 is an abundant number, since it is smaller than the sum of its proper divisors (1426392496).

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

1000211120 is a wasteful number, since it uses less digits than its factorization.

1000211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543629 (or 543623 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1000211120 is about 31626.1145258155. The cubic root of 1000211120 is about 1000.0703683815.

Adding to 1000211120 its reverse (211120001), we get a palindrome (1211331121).

The spelling of 1000211120 in words is "one billion, two hundred eleven thousand, one hundred twenty".