22021212232122 has 16 divisors (see below), whose sum is σ = 44053628384352. Its totient is φ = 7338536757360.

The previous prime is 22021212232087. The next prime is 22021212232163. The reversal of 22021212232122 is 22123221212022.

It is a junction number, because it is equal to n+sod(n) for n = 22021212232092 and 22021212232101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466804453 + ... + 466851624.

It is an arithmetic number, because the mean of its divisors is an integer number (2753351774022).

Almost surely, 2^{22021212232122} is an apocalyptic number.

22021212232122 is an abundant number, since it is smaller than the sum of its proper divisors (22032416152230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22021212232122 is a wasteful number, since it uses less digits than its factorization.

22021212232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933660013.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22021212232122 its reverse (22123221212022), we get a palindrome (44144433444144).

The spelling of 22021212232122 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, two hundred thirty-two thousand, one hundred twenty-two".