220201010123 has 4 divisors (see below), whose sum is σ = 220203922488. Its totient is φ = 220198097760.

The previous prime is 220201010119. The next prime is 220201010143. The reversal of 220201010123 is 321010102022.

It is a happy number.

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 220201010123 - 2² = 220201010119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220201010098 and 220201010107.

It is not an unprimeable number, because it can be changed into a prime (220201010143) 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, 1339661 + ... + 1495022.

It is an arithmetic number, because the mean of its divisors is an integer number (55050980622).

Almost surely, 2^220201010123 is an apocalyptic number.

220201010123 is a deficient number, since it is larger than the sum of its proper divisors (2912365).

220201010123 is an equidigital number, since it uses as much as digits as its factorization.

220201010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912364.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220201010123 its reverse (321010102022), we get a palindrome (541211112145).

The spelling of 220201010123 in words is "two hundred twenty billion, two hundred one million, ten thousand, one hundred twenty-three".