122221001010 has 64 divisors (see below), whose sum is σ = 304649164800. Its totient is φ = 31358135232.

The previous prime is 122221000973. The next prime is 122221001093. The reversal of 122221001010 is 10100122221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651400 + ... + 817779.

It is an arithmetic number, because the mean of its divisors is an integer number (4760143200).

Almost surely, 2^122221001010 is an apocalyptic number.

122221001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221001010 is an abundant number, since it is smaller than the sum of its proper divisors (182428163790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221001010 is a wasteful number, since it uses less digits than its factorization.

122221001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469295.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122221001010 its reverse (10100122221), we get a palindrome (132321123231).

The spelling of 122221001010 in words is "one hundred twenty-two billion, two hundred twenty-one million, one thousand, ten".