220000122101 has 16 divisors (see below), whose sum is σ = 235238784768. Its totient is φ = 205025568000.

The previous prime is 220000121927. The next prime is 220000122109. The reversal of 220000122101 is 101221000022.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220000122101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000122109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660551 + ... + 936123.

It is an arithmetic number, because the mean of its divisors is an integer number (14702424048).

Almost surely, 2^220000122101 is an apocalyptic number.

It is an amenable number.

220000122101 is a deficient number, since it is larger than the sum of its proper divisors (15238662667).

220000122101 is a wasteful number, since it uses less digits than its factorization.

220000122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276052.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220000122101 its reverse (101221000022), we get a palindrome (321221122123).

The spelling of 220000122101 in words is "two hundred twenty billion, one hundred twenty-two thousand, one hundred one".