121022211112210 has 8 divisors (see below), whose sum is σ = 217839980001996. Its totient is φ = 48408884444880.

The previous prime is 121022211112177. The next prime is 121022211112211. The reversal of 121022211112210 is 12211112220121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118416204650241 + 2606006461969 = 10881921^2 + 1614313^2 .

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

It is a super-2 number, since 2×121022211112210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121022211112211) 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, 6051110555601 + ... + 6051110555620.

Almost surely, 2^{121022211112210} is an apocalyptic number.

121022211112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022211112210 is a deficient number, since it is larger than the sum of its proper divisors (96817768889786).

121022211112210 is a wasteful number, since it uses less digits than its factorization.

121022211112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102221111228.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121022211112210 its reverse (12211112220121), we get a palindrome (133233323332331).

The spelling of 121022211112210 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred eleven million, one hundred twelve thousand, two hundred ten".