1230102201221 has 8 divisors (see below), whose sum is σ = 1302723466560. Its totient is φ = 1157510081728.

The previous prime is 1230102201217. The next prime is 1230102201247. The reversal of 1230102201221 is 1221022010321.

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

It is a cyclic number.

It is not a de Polignac number, because 1230102201221 - 2² = 1230102201217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230102201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230102201271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7199531 + ... + 7368408.

It is an arithmetic number, because the mean of its divisors is an integer number (162840433320).

Almost surely, 2^{1230102201221} is an apocalyptic number.

It is an amenable number.

1230102201221 is a deficient number, since it is larger than the sum of its proper divisors (72621265339).

1230102201221 is a wasteful number, since it uses less digits than its factorization.

1230102201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572923.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1230102201221 its reverse (1221022010321), we get a palindrome (2451124211542).

The spelling of 1230102201221 in words is "one trillion, two hundred thirty billion, one hundred two million, two hundred one thousand, two hundred twenty-one".