21122200130 has 32 divisors (see below), whose sum is σ = 38300796864. Its totient is φ = 8386670656.

The previous prime is 21122200129. The next prime is 21122200147. The reversal of 21122200130 is 3100222112.

It is a happy number.

It is a super-2 number, since 2×21122200130² (a number of 21 digits) contains 22 as substring.

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, 860609 + ... + 884811.

It is an arithmetic number, because the mean of its divisors is an integer number (1196899902).

Almost surely, 2^21122200130 is an apocalyptic number.

21122200130 is a deficient number, since it is larger than the sum of its proper divisors (17178596734).

21122200130 is a wasteful number, since it uses less digits than its factorization.

21122200130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21122200130 its reverse (3100222112), we get a palindrome (24222422242).

The spelling of 21122200130 in words is "twenty-one billion, one hundred twenty-two million, two hundred thousand, one hundred thirty".