220111002211121 has 8 divisors (see below), whose sum is σ = 264795190630080. Its totient is φ = 178736753675088.

The previous prime is 220111002211109. The next prime is 220111002211151. The reversal of 220111002211121 is 121112200111022.

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

It is not a de Polignac number, because 220111002211121 - 2¹⁴ = 220111002194737 is a prime.

It is a super-2 number, since 2×220111002211121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220111002211121.

It is not an unprimeable number, because it can be changed into a prime (220111002211151) 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, 827484970586 + ... + 827484970851.

It is an arithmetic number, because the mean of its divisors is an integer number (33099398828760).

Almost surely, 2^{220111002211121} is an apocalyptic number.

It is an amenable number.

220111002211121 is a deficient number, since it is larger than the sum of its proper divisors (44684188418959).

220111002211121 is a wasteful number, since it uses less digits than its factorization.

220111002211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654969941463.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220111002211121 its reverse (121112200111022), we get a palindrome (341223202322143).

The spelling of 220111002211121 in words is "two hundred twenty trillion, one hundred eleven billion, two million, two hundred eleven thousand, one hundred twenty-one".