23121021022010 has 32 divisors (see below), whose sum is σ = 42199233405120. Its totient is φ = 9119277191808.

The previous prime is 23121021021979. The next prime is 23121021022051. The reversal of 23121021022010 is 1022012012132.

It is a super-2 number, since 2×23121021022010² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23121021022010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505972 + ... + 6964911.

It is an arithmetic number, because the mean of its divisors is an integer number (1318726043910).

Almost surely, 2^{23121021022010} is an apocalyptic number.

23121021022010 is a deficient number, since it is larger than the sum of its proper divisors (19078212383110).

23121021022010 is a wasteful number, since it uses less digits than its factorization.

23121021022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474702.

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

Adding to 23121021022010 its reverse (1022012012132), we get a palindrome (24143033034142).

The spelling of 23121021022010 in words is "twenty-three trillion, one hundred twenty-one billion, twenty-one million, twenty-two thousand, ten".