23220121210302 has 64 divisors (see below), whose sum is σ = 49498056072000. Its totient is φ = 7249755921408.

The previous prime is 23220121210259. The next prime is 23220121210333. The reversal of 23220121210302 is 20301212102232.

It is a super-2 number, since 2×23220121210302² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13324777 + ... + 14966292.

It is an arithmetic number, because the mean of its divisors is an integer number (773407126125).

Almost surely, 2^{23220121210302} is an apocalyptic number.

23220121210302 is an abundant number, since it is smaller than the sum of its proper divisors (26277934861698).

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

23220121210302 is a wasteful number, since it uses less digits than its factorization.

23220121210302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28291245.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23220121210302 its reverse (20301212102232), we get a palindrome (43521333312534).

The spelling of 23220121210302 in words is "twenty-three trillion, two hundred twenty billion, one hundred twenty-one million, two hundred ten thousand, three hundred two".