122221141 has 12 divisors (see below), whose sum is σ = 142677612. Its totient is φ = 104391168.

The previous prime is 122221087. The next prime is 122221147. The reversal of 122221141 is 141122221.

It can be written as a sum of positive squares in 2 ways, for example, as 117722500 + 4498641 = 10850^2 + 2121^2 .

It is not a de Polignac number, because 122221141 - 2⁹ = 122220629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10101 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (11889801).

Almost surely, 2^122221141 is an apocalyptic number.

It is an amenable number.

122221141 is a deficient number, since it is larger than the sum of its proper divisors (20456471).

122221141 is an equidigital number, since it uses as much as digits as its factorization.

122221141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8820 (or 8813 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 122221141 is about 11055.3670676283. The cubic root of 122221141 is about 496.2670542564.

Adding to 122221141 its reverse (141122221), we get a palindrome (263343362).

The spelling of 122221141 in words is "one hundred twenty-two million, two hundred twenty-one thousand, one hundred forty-one".