211110021211253 has 2 divisors, whose sum is σ = 211110021211254. Its totient is φ = 211110021211252.

The previous prime is 211110021211217. The next prime is 211110021211289. The reversal of 211110021211253 is 352112120011112.

It is a balanced prime because it is at equal distance from previous prime (211110021211217) and next prime (211110021211289).

It can be written as a sum of positive squares in only one way, i.e., 175313038179889 + 35796983031364 = 13240583^2 + 5983058^2 .

It is a cyclic number.

It is not a de Polignac number, because 211110021211253 - 2⁸ = 211110021210997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211110021211213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555010605626 + 105555010605627.

It is an arithmetic number, because the mean of its divisors is an integer number (105555010605627).

Almost surely, 2^{211110021211253} is an apocalyptic number.

It is an amenable number.

211110021211253 is a deficient number, since it is larger than the sum of its proper divisors (1).

211110021211253 is an equidigital number, since it uses as much as digits as its factorization.

211110021211253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 211110021211253 its reverse (352112120011112), we get a palindrome (563222141222365).

The spelling of 211110021211253 in words is "two hundred eleven trillion, one hundred ten billion, twenty-one million, two hundred eleven thousand, two hundred fifty-three".