21022202110022 has 8 divisors (see below), whose sum is σ = 31536606147816. Its totient is φ = 10510000060752.

The previous prime is 21022202110003. The next prime is 21022202110027. The reversal of 21022202110022 is 22001120222012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21022202110022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022202110027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550473263 + ... + 550511450.

It is an arithmetic number, because the mean of its divisors is an integer number (3942075768477).

Almost surely, 2^{21022202110022} is an apocalyptic number.

21022202110022 is a deficient number, since it is larger than the sum of its proper divisors (10514404037794).

21022202110022 is a wasteful number, since it uses less digits than its factorization.

21022202110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100994262.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21022202110022 its reverse (22001120222012), we get a palindrome (43023322332034).

The spelling of 21022202110022 in words is "twenty-one trillion, twenty-two billion, two hundred two million, one hundred ten thousand, twenty-two".