1000011211120 has 40 divisors (see below), whose sum is σ = 2339835178464. Its totient is φ = 397456680192.

The previous prime is 1000011211093. The next prime is 1000011211123. The reversal of 1000011211120 is 211121100001.

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 (10).

It is a junction number, because it is equal to n+sod(n) for n = 1000011211097 and 1000011211106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011211123) 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, 39796804 + ... + 39821923.

Almost surely, 2^{1000011211120} is an apocalyptic number.

1000011211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000011211120 is an abundant number, since it is smaller than the sum of its proper divisors (1339823967344).

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

1000011211120 is a wasteful number, since it uses less digits than its factorization.

1000011211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79618897 (or 79618891 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000011211120 its reverse (211121100001), we get a palindrome (1211132311121).

The spelling of 1000011211120 in words is "one trillion, eleven million, two hundred eleven thousand, one hundred twenty".