220011202123 has 8 divisors (see below), whose sum is σ = 233561276928. Its totient is φ = 206528709504.

The previous prime is 220011202111. The next prime is 220011202139. The reversal of 220011202123 is 321202110022.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220011202123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220011202097 and 220011202106.

It is not an unprimeable number, because it can be changed into a prime (220011202153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16888836 + ... + 16901857.

It is an arithmetic number, because the mean of its divisors is an integer number (29195159616).

Almost surely, 2^220011202123 is an apocalyptic number.

220011202123 is a deficient number, since it is larger than the sum of its proper divisors (13550074805).

220011202123 is a wasteful number, since it uses less digits than its factorization.

220011202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33791093.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220011202123 its reverse (321202110022), we get a palindrome (541213312145).

The spelling of 220011202123 in words is "two hundred twenty billion, eleven million, two hundred two thousand, one hundred twenty-three".