120201001021123 has 8 divisors (see below), whose sum is σ = 131615830793520. Its totient is φ = 108867415589280.

The previous prime is 120201001021103. The next prime is 120201001021183. The reversal of 120201001021123 is 321120100102021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120201001021123 - 2¹⁷ = 120201000890051 is a prime.

It is a super-2 number, since 2×120201001021123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120201001021097 and 120201001021106.

It is not an unprimeable number, because it can be changed into a prime (120201001021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20311082040 + ... + 20311087957.

It is an arithmetic number, because the mean of its divisors is an integer number (16451978849190).

Almost surely, 2^{120201001021123} is an apocalyptic number.

120201001021123 is a deficient number, since it is larger than the sum of its proper divisors (11414829772397).

120201001021123 is a wasteful number, since it uses less digits than its factorization.

120201001021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40622170277.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120201001021123 its reverse (321120100102021), we get a palindrome (441321101123144).

The spelling of 120201001021123 in words is "one hundred twenty trillion, two hundred one billion, one million, twenty-one thousand, one hundred twenty-three".