22210021212122 has 32 divisors (see below), whose sum is σ = 35355501518400. Its totient is φ = 10445426006400.

The previous prime is 22210021212121. The next prime is 22210021212167. The reversal of 22210021212122 is 22121212001222.

It is a junction number, because it is equal to n+sod(n) for n = 22210021212094 and 22210021212103.

It is not an unprimeable number, because it can be changed into a prime (22210021212121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5114972 + ... + 8401367.

It is an arithmetic number, because the mean of its divisors is an integer number (1104859422450).

Almost surely, 2^{22210021212122} is an apocalyptic number.

22210021212122 is a deficient number, since it is larger than the sum of its proper divisors (13145480306278).

22210021212122 is a wasteful number, since it uses less digits than its factorization.

22210021212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13517102.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22210021212122 its reverse (22121212001222), we get a palindrome (44331233213344).

The spelling of 22210021212122 in words is "twenty-two trillion, two hundred ten billion, twenty-one million, two hundred twelve thousand, one hundred twenty-two".