23121222131030 has 16 divisors (see below), whose sum is σ = 42204371665824. Its totient is φ = 9118228445760.

The previous prime is 23121222131027. The next prime is 23121222131123. The reversal of 23121222131030 is 3013122212132.

It is a junction number, because it is equal to n+sod(n) for n = 23121222130987 and 23121222131005.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16282550087 + ... + 16282551506.

It is an arithmetic number, because the mean of its divisors is an integer number (2637773229114).

Almost surely, 2^{23121222131030} is an apocalyptic number.

23121222131030 is a deficient number, since it is larger than the sum of its proper divisors (19083149534794).

23121222131030 is a wasteful number, since it uses less digits than its factorization.

23121222131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32565101671.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23121222131030 its reverse (3013122212132), we get a palindrome (26134344343162).

The spelling of 23121222131030 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, thirty".