20101222130 has 64 divisors (see below), whose sum is σ = 39768236928. Its totient is φ = 7254773760.

The previous prime is 20101222129. The next prime is 20101222133. The reversal of 20101222130 is 3122210102.

It is a happy number.

It is a super-2 number, since 2×20101222130² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101222133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12461204 + ... + 12462816.

It is an arithmetic number, because the mean of its divisors is an integer number (621378702).

Almost surely, 2^20101222130 is an apocalyptic number.

20101222130 is a deficient number, since it is larger than the sum of its proper divisors (19667014798).

20101222130 is a wasteful number, since it uses less digits than its factorization.

20101222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411.

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

Adding to 20101222130 its reverse (3122210102), we get a palindrome (23223432232).

The spelling of 20101222130 in words is "twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred thirty".