220200111121 has 16 divisors (see below), whose sum is σ = 243573861888. Its totient is φ = 198145324800.

The previous prime is 220200111113. The next prime is 220200111137. The reversal of 220200111121 is 121111002022.

It is a cyclic number.

It is not a de Polignac number, because 220200111121 - 2³ = 220200111113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220200111151) 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, 2473350 + ... + 2560831.

It is an arithmetic number, because the mean of its divisors is an integer number (15223366368).

Almost surely, 2^220200111121 is an apocalyptic number.

It is an amenable number.

220200111121 is a deficient number, since it is larger than the sum of its proper divisors (23373750767).

220200111121 is a wasteful number, since it uses less digits than its factorization.

220200111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034312.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220200111121 its reverse (121111002022), we get a palindrome (341311113143).

It can be divided in two parts, 2202001 and 11121, that added together give a palindrome (2213122).

The spelling of 220200111121 in words is "two hundred twenty billion, two hundred million, one hundred eleven thousand, one hundred twenty-one".