21002222100130 has 16 divisors (see below), whose sum is σ = 39447651945024. Its totient is φ = 8035632803440.

The previous prime is 21002222100109. The next prime is 21002222100137. The reversal of 21002222100130 is 3100122220012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21002222100137) 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, 45657004336 + ... + 45657004795.

It is an arithmetic number, because the mean of its divisors is an integer number (2465478246564).

Almost surely, 2^{21002222100130} is an apocalyptic number.

21002222100130 is a deficient number, since it is larger than the sum of its proper divisors (18445429844894).

21002222100130 is a wasteful number, since it uses less digits than its factorization.

21002222100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91314009161.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21002222100130 its reverse (3100122220012), we get a palindrome (24102344320142).

The spelling of 21002222100130 in words is "twenty-one trillion, two billion, two hundred twenty-two million, one hundred thousand, one hundred thirty".