121010212122222 has 8 divisors (see below), whose sum is σ = 242020424244456. Its totient is φ = 40336737374072.

The previous prime is 121010212122209. The next prime is 121010212122223. The reversal of 121010212122222 is 222221212010121.

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

121010212122222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010212122223) 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, 10084184343513 + ... + 10084184343524.

It is an arithmetic number, because the mean of its divisors is an integer number (30252553030557).

Almost surely, 2^{121010212122222} is an apocalyptic number.

121010212122222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121010212122222 is a wasteful number, since it uses less digits than its factorization.

121010212122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20168368687042.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121010212122222 its reverse (222221212010121), we get a palindrome (343231424132343).

The spelling of 121010212122222 in words is "one hundred twenty-one trillion, ten billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".