1120021155052 has 24 divisors (see below), whose sum is σ = 2075632930224. Its totient is φ = 526992686592.

The previous prime is 1120021155041. The next prime is 1120021155059. The reversal of 1120021155052 is 2505511200211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1120021155059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713073 + ... + 1657864.

It is an arithmetic number, because the mean of its divisors is an integer number (86484705426).

Almost surely, 2^{1120021155052} is an apocalyptic number.

It is an amenable number.

1120021155052 is a deficient number, since it is larger than the sum of its proper divisors (955611775172).

1120021155052 is a wasteful number, since it uses less digits than its factorization.

1120021155052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377905 (or 2377903 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 1120021155052 its reverse (2505511200211), we get a palindrome (3625532355263).

The spelling of 1120021155052 in words is "one trillion, one hundred twenty billion, twenty-one million, one hundred fifty-five thousand, fifty-two".