122200221220010 has 16 divisors (see below), whose sum is σ = 220468389885576. Its totient is φ = 48767201445888.

The previous prime is 122200221219991. The next prime is 122200221220019. The reversal of 122200221220010 is 10022122002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80062713241729 + 42137507978281 = 8947777^2 + 6491341^2 .

It is not an unprimeable number, because it can be changed into a prime (122200221220019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14110875719 + ... + 14110884378.

Almost surely, 2^{122200221220010} is an apocalyptic number.

122200221220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122200221220010 is a deficient number, since it is larger than the sum of its proper divisors (98268168665566).

122200221220010 is a wasteful number, since it uses less digits than its factorization.

122200221220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28221760537.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122200221220010 its reverse (10022122002221), we get a palindrome (132222343222231).

It can be divided in two parts, 12 and 2200221220010, that added together give a palindrome (2200221220022).

The spelling of 122200221220010 in words is "one hundred twenty-two trillion, two hundred billion, two hundred twenty-one million, two hundred twenty thousand, ten".