30102221212223 has 4 divisors (see below), whose sum is σ = 30102473382840. Its totient is φ = 30101969041608.

The previous prime is 30102221212213. The next prime is 30102221212253. The reversal of 30102221212223 is 32221212220103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30102221212223 - 2¹² = 30102221208127 is a prime.

It is a super-2 number, since 2×30102221212223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102221212213) 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, 125906165 + ... + 126145022.

It is an arithmetic number, because the mean of its divisors is an integer number (7525618345710).

Almost surely, 2^{30102221212223} is an apocalyptic number.

30102221212223 is a deficient number, since it is larger than the sum of its proper divisors (252170617).

30102221212223 is a wasteful number, since it uses less digits than its factorization.

30102221212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252170616.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30102221212223 its reverse (32221212220103), we get a palindrome (62323433432326).

The spelling of 30102221212223 in words is "thirty trillion, one hundred two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-three".