10100021122222 has 4 divisors (see below), whose sum is σ = 15150031683336. Its totient is φ = 5050010561110.

The previous prime is 10100021122189. The next prime is 10100021122223. The reversal of 10100021122222 is 22222112000101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 10100021122196 and 10100021122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100021122223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525005280554 + ... + 2525005280557.

It is an arithmetic number, because the mean of its divisors is an integer number (3787507920834).

Almost surely, 2^{10100021122222} is an apocalyptic number.

10100021122222 is a deficient number, since it is larger than the sum of its proper divisors (5050010561114).

10100021122222 is an equidigital number, since it uses as much as digits as its factorization.

10100021122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050010561113.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10100021122222 its reverse (22222112000101), we get a palindrome (32322133122323).

The spelling of 10100021122222 in words is "ten trillion, one hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".