120220021003 has 4 divisors (see below), whose sum is σ = 120264044248. Its totient is φ = 120175997760.

The previous prime is 120220020979. The next prime is 120220021069. The reversal of 120220021003 is 300120022021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300120022021 = 61 ⋅4920000361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120220021003 is a prime.

It is a super-2 number, since 2×120220021003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120220021073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22007526 + ... + 22012987.

It is an arithmetic number, because the mean of its divisors is an integer number (30066011062).

Almost surely, 2^120220021003 is an apocalyptic number.

120220021003 is a deficient number, since it is larger than the sum of its proper divisors (44023245).

120220021003 is an equidigital number, since it uses as much as digits as its factorization.

120220021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44023244.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 120220021003 its reverse (300120022021), we get a palindrome (420340043024).

The spelling of 120220021003 in words is "one hundred twenty billion, two hundred twenty million, twenty-one thousand, three".