10211212221223 has 8 divisors (see below), whose sum is σ = 10998952380416. Its totient is φ = 9423795247200.

The previous prime is 10211212221193. The next prime is 10211212221307. The reversal of 10211212221223 is 32212221211201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211212221223 is a prime.

It is a super-4 number, since 4×10211212221223⁴ (a number of 53 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10211212221194 and 10211212221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211212221323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80730663 + ... + 80857048.

It is an arithmetic number, because the mean of its divisors is an integer number (1374869047552).

Almost surely, 2^{10211212221223} is an apocalyptic number.

10211212221223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10211212221223 is a deficient number, since it is larger than the sum of its proper divisors (787740159193).

10211212221223 is a wasteful number, since it uses less digits than its factorization.

10211212221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161592585.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10211212221223 its reverse (32212221211201), we get a palindrome (42423433432424).

The spelling of 10211212221223 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-three".