221022000001121 has 32 divisors (see below), whose sum is σ = 256306563152640. Its totient is φ = 188364089548800.

The previous prime is 221022000001073. The next prime is 221022000001199. The reversal of 221022000001121 is 121100000220122.

It is a de Polignac number, because none of the positive numbers 2^k-221022000001121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221022000001096 and 221022000001105.

It is not an unprimeable number, because it can be changed into a prime (221022000051121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50794481 + ... + 54973841.

It is an arithmetic number, because the mean of its divisors is an integer number (8009580098520).

Almost surely, 2^{221022000001121} is an apocalyptic number.

It is an amenable number.

221022000001121 is a deficient number, since it is larger than the sum of its proper divisors (35284563151519).

221022000001121 is a wasteful number, since it uses less digits than its factorization.

221022000001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180505.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221022000001121 its reverse (121100000220122), we get a palindrome (342122000221243).

The spelling of 221022000001121 in words is "two hundred twenty-one trillion, twenty-two billion, one thousand, one hundred twenty-one".