23333100101221 has 2 divisors, whose sum is σ = 23333100101222. Its totient is φ = 23333100101220.

The previous prime is 23333100101191. The next prime is 23333100101239. The reversal of 23333100101221 is 12210100133332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23237316660100 + 95783441121 = 4820510^2 + 309489^2 .

It is a cyclic number.

It is not a de Polignac number, because 23333100101221 - 2¹⁷ = 23333099970149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23333100101192 and 23333100101201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23333100101021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666550050610 + 11666550050611.

It is an arithmetic number, because the mean of its divisors is an integer number (11666550050611).

Almost surely, 2^{23333100101221} is an apocalyptic number.

It is an amenable number.

23333100101221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23333100101221 is an equidigital number, since it uses as much as digits as its factorization.

23333100101221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23333100101221 its reverse (12210100133332), we get a palindrome (35543200234553).

The spelling of 23333100101221 in words is "twenty-three trillion, three hundred thirty-three billion, one hundred million, one hundred one thousand, two hundred twenty-one".