21202212120022 has 32 divisors (see below), whose sum is σ = 32381339880960. Its totient is φ = 10408872040320.

The previous prime is 21202212119987. The next prime is 21202212120049. The reversal of 21202212120022 is 22002121220212.

It is a super-3 number, since 3×21202212120022³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391208158 + ... + 391262350.

It is an arithmetic number, because the mean of its divisors is an integer number (1011916871280).

Almost surely, 2^{21202212120022} is an apocalyptic number.

21202212120022 is a deficient number, since it is larger than the sum of its proper divisors (11179127760938).

21202212120022 is a wasteful number, since it uses less digits than its factorization.

21202212120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58188.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21202212120022 its reverse (22002121220212), we get a palindrome (43204333340234).

The spelling of 21202212120022 in words is "twenty-one trillion, two hundred two billion, two hundred twelve million, one hundred twenty thousand, twenty-two".