220102211121 has 8 divisors (see below), whose sum is σ = 316044200640. Its totient is φ = 135447514512.

The previous prime is 220102211117. The next prime is 220102211221. The reversal of 220102211121 is 121112201022.

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

It is not a de Polignac number, because 220102211121 - 2² = 220102211117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220102211121.

It is not an unprimeable number, because it can be changed into a prime (220102211101) 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, 2821823181 + ... + 2821823258.

It is an arithmetic number, because the mean of its divisors is an integer number (39505525080).

Almost surely, 2^220102211121 is an apocalyptic number.

It is an amenable number.

220102211121 is a deficient number, since it is larger than the sum of its proper divisors (95941989519).

220102211121 is a wasteful number, since it uses less digits than its factorization.

220102211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643646455.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220102211121 its reverse (121112201022), we get a palindrome (341214412143).

The spelling of 220102211121 in words is "two hundred twenty billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".