22101021012022 has 4 divisors (see below), whose sum is σ = 33151531518036. Its totient is φ = 11050510506010.

The previous prime is 22101021012019. The next prime is 22101021012101. The reversal of 22101021012022 is 22021012010122.

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 = 22101021011987 and 22101021012005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525255253004 + ... + 5525255253007.

It is an arithmetic number, because the mean of its divisors is an integer number (8287882879509).

Almost surely, 2^{22101021012022} is an apocalyptic number.

22101021012022 is a deficient number, since it is larger than the sum of its proper divisors (11050510506014).

22101021012022 is a wasteful number, since it uses less digits than its factorization.

22101021012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050510506013.

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

Adding to 22101021012022 its reverse (22021012010122), we get a palindrome (44122033022144).

The spelling of 22101021012022 in words is "twenty-two trillion, one hundred one billion, twenty-one million, twelve thousand, twenty-two".