1120120100001 has 12 divisors (see below), whose sum is σ = 1849087149312. Its totient is φ = 640068628536.

The previous prime is 1120120099937. The next prime is 1120120100003. The reversal of 1120120100001 is 1000010210211.

It is a happy number.

It is not a de Polignac number, because 1120120100001 - 2⁶ = 1120120099937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1120120100003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8889842001 + ... + 8889842126.

It is an arithmetic number, because the mean of its divisors is an integer number (154090595776).

Almost surely, 2^{1120120100001} is an apocalyptic number.

It is an amenable number.

1120120100001 is a deficient number, since it is larger than the sum of its proper divisors (728967049311).

1120120100001 is a wasteful number, since it uses less digits than its factorization.

1120120100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779684140 (or 17779684137 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1120120100001 its reverse (1000010210211), we get a palindrome (2120130310212).

The spelling of 1120120100001 in words is "one trillion, one hundred twenty billion, one hundred twenty million, one hundred thousand, one".