11010001021120 has 56 divisors (see below), whose sum is σ = 26458093134000. Its totient is φ = 4363596721152.

The previous prime is 11010001021093. The next prime is 11010001021121. The reversal of 11010001021120 is 2112010001011.

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 = 11010001021097 and 11010001021106.

It is not an unprimeable number, because it can be changed into a prime (11010001021121) 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, 157791970 + ... + 157861729.

Almost surely, 2^{11010001021120} is an apocalyptic number.

11010001021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010001021120 is an abundant number, since it is smaller than the sum of its proper divisors (15448092112880).

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

11010001021120 is a wasteful number, since it uses less digits than its factorization.

11010001021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315653825 (or 315653815 counting only the distinct ones).

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

Adding to 11010001021120 its reverse (2112010001011), we get a palindrome (13122011022131).

The spelling of 11010001021120 in words is "eleven trillion, ten billion, one million, twenty-one thousand, one hundred twenty".