10420212110223 has 4 divisors (see below), whose sum is σ = 13893616146968. Its totient is φ = 6946808073480.

The previous prime is 10420212110219. The next prime is 10420212110261. The reversal of 10420212110223 is 32201121202401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10420212110223 - 2² = 10420212110219 is a prime.

It is a super-2 number, since 2×10420212110223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10420212110223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420212110293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736702018368 + ... + 1736702018373.

It is an arithmetic number, because the mean of its divisors is an integer number (3473404036742).

Almost surely, 2^{10420212110223} is an apocalyptic number.

10420212110223 is a deficient number, since it is larger than the sum of its proper divisors (3473404036745).

10420212110223 is an equidigital number, since it uses as much as digits as its factorization.

10420212110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473404036744.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10420212110223 its reverse (32201121202401), we get a palindrome (42621333312624).

The spelling of 10420212110223 in words is "ten trillion, four hundred twenty billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-three".