122211221220010 has 32 divisors (see below), whose sum is σ = 244543743908352. Its totient is φ = 43668525695040.

The previous prime is 122211221219957. The next prime is 122211221220073. The reversal of 122211221220010 is 10022122112221.

It is a self number, because there is not a number n which added to its sum of digits gives 122211221220010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15162678504 + ... + 15162686563.

It is an arithmetic number, because the mean of its divisors is an integer number (7641991997136).

Almost surely, 2^{122211221220010} is an apocalyptic number.

122211221220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211221220010 is an abundant number, since it is smaller than the sum of its proper divisors (122332522688342).

122211221220010 is a wasteful number, since it uses less digits than its factorization.

122211221220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30325365118.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122211221220010 its reverse (10022122112221), we get a palindrome (132233343332231).

The spelling of 122211221220010 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty thousand, ten".