221015011133330 has 16 divisors (see below), whose sum is σ = 406291424722560. Its totient is φ = 86525025634992.

The previous prime is 221015011133317. The next prime is 221015011133407. The reversal of 221015011133330 is 33331110510122.

It is a self number, because there is not a number n which added to its sum of digits gives 221015011133330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235122351800 + ... + 235122352739.

It is an arithmetic number, because the mean of its divisors is an integer number (25393214045160).

Almost surely, 2^{221015011133330} is an apocalyptic number.

221015011133330 is a deficient number, since it is larger than the sum of its proper divisors (185276413589230).

221015011133330 is a wasteful number, since it uses less digits than its factorization.

221015011133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470244704593.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 221015011133330 its reverse (33331110510122), we get a palindrome (254346121643452).

The spelling of 221015011133330 in words is "two hundred twenty-one trillion, fifteen billion, eleven million, one hundred thirty-three thousand, three hundred thirty".