12121102201022 has 8 divisors (see below), whose sum is σ = 18196893584496. Its totient is φ = 6055471006192.

The previous prime is 12121102201007. The next prime is 12121102201027. The reversal of 12121102201022 is 22010220112121.

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

It is a super-2 number, since 2×12121102201022² (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 (12121102201027) 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, 2540044178 + ... + 2540048949.

It is an arithmetic number, because the mean of its divisors is an integer number (2274611698062).

Almost surely, 2^{12121102201022} is an apocalyptic number.

12121102201022 is a deficient number, since it is larger than the sum of its proper divisors (6075791383474).

12121102201022 is a wasteful number, since it uses less digits than its factorization.

12121102201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080094322.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12121102201022 its reverse (22010220112121), we get a palindrome (34131322313143).

The spelling of 12121102201022 in words is "twelve trillion, one hundred twenty-one billion, one hundred two million, two hundred one thousand, twenty-two".