122211100221010 has 32 divisors (see below), whose sum is σ = 227758186422000. Its totient is φ = 47158804519680.

The previous prime is 122211100220999. The next prime is 122211100221019. The reversal of 122211100221010 is 10122001112221.

It can be written as a sum of positive squares in 8 ways, for example, as 49007658299209 + 73203441921801 = 7000547^2 + 8555901^2 .

It is not an unprimeable number, because it can be changed into a prime (122211100221019) 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, 178073085 + ... + 178758064.

Almost surely, 2^{122211100221010} is an apocalyptic number.

122211100221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211100221010 is a deficient number, since it is larger than the sum of its proper divisors (105547086200990).

122211100221010 is a wasteful number, since it uses less digits than its factorization.

122211100221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356832366.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122211100221010 its reverse (10122001112221), we get a palindrome (132333101333231).

The spelling of 122211100221010 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred million, two hundred twenty-one thousand, ten".