930001111001221 has 6 divisors (see below), whose sum is σ = 1081838027083110. Its totient is φ = 797143809429576.

The previous prime is 930001111001203. The next prime is 930001111001233. The reversal of 930001111001221 is 122100111100039.

It can be written as a sum of positive squares in only one way, i.e., 840857036076225 + 89144074924996 = 28997535^2 + 9441614^2 .

It is not a de Polignac number, because 930001111001221 - 2¹³ = 930001110993029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 930001111001192 and 930001111001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930001111041221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9489807255066 + ... + 9489807255163.

It is an arithmetic number, because the mean of its divisors is an integer number (180306337847185).

Almost surely, 2^{930001111001221} is an apocalyptic number.

It is an amenable number.

930001111001221 is a deficient number, since it is larger than the sum of its proper divisors (151836916081889).

930001111001221 is a wasteful number, since it uses less digits than its factorization.

930001111001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18979614510243 (or 18979614510236 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 930001111001221 in words is "nine hundred thirty trillion, one billion, one hundred eleven million, one thousand, two hundred twenty-one".