221430121034122 has 96 divisors (see below), whose sum is σ = 449387779018752. Its totient is φ = 79625966112000.

The previous prime is 221430121034107. The next prime is 221430121034131.

221430121034122 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190593847 + ... + 191752117.

It is an arithmetic number, because the mean of its divisors is an integer number (4681122698112).

Almost surely, 2^{221430121034122} is an apocalyptic number.

221430121034122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221430121034122 is an abundant number, since it is smaller than the sum of its proper divisors (227957657984630).

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

221430121034122 is a wasteful number, since it uses less digits than its factorization.

221430121034122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166996 (or 1166985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 221430121034122 in words is "two hundred twenty-one trillion, four hundred thirty billion, one hundred twenty-one million, thirty-four thousand, one hundred twenty-two".