21202022110153 has 2 divisors, whose sum is σ = 21202022110154. Its totient is φ = 21202022110152.

The previous prime is 21202022110079. The next prime is 21202022110231. The reversal of 21202022110153 is 35101122020212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12003709541769 + 9198312568384 = 3464637^2 + 3032872^2 .

It is a cyclic number.

It is not a de Polignac number, because 21202022110153 - 2¹³ = 21202022101961 is a prime.

It is not a weakly prime, because it can be changed into another prime (21202322110153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601011055076 + 10601011055077.

It is an arithmetic number, because the mean of its divisors is an integer number (10601011055077).

Almost surely, 2^{21202022110153} is an apocalyptic number.

It is an amenable number.

21202022110153 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202022110153 is an equidigital number, since it uses as much as digits as its factorization.

21202022110153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 21202022110153 its reverse (35101122020212), we get a palindrome (56303144130365).

The spelling of 21202022110153 in words is "twenty-one trillion, two hundred two billion, twenty-two million, one hundred ten thousand, one hundred fifty-three".