220210021211953 has 2 divisors, whose sum is σ = 220210021211954. Its totient is φ = 220210021211952.

The previous prime is 220210021211941. The next prime is 220210021212101. The reversal of 220210021211953 is 359112120012022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211273550703504 + 8936470508449 = 14535252^2 + 2989393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220210021211953 is a prime.

It is not a weakly prime, because it can be changed into another prime (220210021271953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105010605976 + 110105010605977.

It is an arithmetic number, because the mean of its divisors is an integer number (110105010605977).

Almost surely, 2^{220210021211953} is an apocalyptic number.

It is an amenable number.

220210021211953 is a deficient number, since it is larger than the sum of its proper divisors (1).

220210021211953 is an equidigital number, since it uses as much as digits as its factorization.

220210021211953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 220210021211953 its reverse (359112120012022), we get a palindrome (579322141223975).

The spelling of 220210021211953 in words is "two hundred twenty trillion, two hundred ten billion, twenty-one million, two hundred eleven thousand, nine hundred fifty-three".