20221100012 has 6 divisors (see below), whose sum is σ = 35386925028. Its totient is φ = 10110550004.

The previous prime is 20221099991. The next prime is 20221100033. The reversal of 20221100012 is 21000112202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20221099991) and next prime (20221100033).

It is a junction number, because it is equal to n+sod(n) for n = 20221099966 and 20221100002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527637498 + ... + 2527637505.

It is an arithmetic number, because the mean of its divisors is an integer number (5897820838).

Almost surely, 2^20221100012 is an apocalyptic number.

It is an amenable number.

20221100012 is a deficient number, since it is larger than the sum of its proper divisors (15165825016).

20221100012 is a wasteful number, since it uses less digits than its factorization.

20221100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055275007 (or 5055275005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20221100012 its reverse (21000112202), we get a palindrome (41221212214).

The spelling of 20221100012 in words is "twenty billion, two hundred twenty-one million, one hundred thousand, twelve".