10020111211223 has 2 divisors, whose sum is σ = 10020111211224. Its totient is φ = 10020111211222.

The previous prime is 10020111211181. The next prime is 10020111211291. The reversal of 10020111211223 is 32211211102001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020111211223 - 2¹⁶ = 10020111145687 is a prime.

It is a super-2 number, since 2×10020111211223² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020111271223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010055605611 + 5010055605612.

It is an arithmetic number, because the mean of its divisors is an integer number (5010055605612).

Almost surely, 2^{10020111211223} is an apocalyptic number.

10020111211223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020111211223 is an equidigital number, since it uses as much as digits as its factorization.

10020111211223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10020111211223 its reverse (32211211102001), we get a palindrome (42231322313224).

The spelling of 10020111211223 in words is "ten trillion, twenty billion, one hundred eleven million, two hundred eleven thousand, two hundred twenty-three".