120001101023 has 4 divisors (see below), whose sum is σ = 120503197920. Its totient is φ = 119499004128.

The previous prime is 120001100983. The next prime is 120001101067. The reversal of 120001101023 is 320101100021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120001101023 - 2²² = 119996906719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001100995 and 120001101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001101223) 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, 251048090 + ... + 251048567.

It is an arithmetic number, because the mean of its divisors is an integer number (30125799480).

Almost surely, 2^120001101023 is an apocalyptic number.

120001101023 is a deficient number, since it is larger than the sum of its proper divisors (502096897).

120001101023 is an equidigital number, since it uses as much as digits as its factorization.

120001101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502096896.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 120001101023 its reverse (320101100021), we get a palindrome (440102201044).

The spelling of 120001101023 in words is "one hundred twenty billion, one million, one hundred one thousand, twenty-three".