10101212011223 has 8 divisors (see below), whose sum is σ = 10131327471888. Its totient is φ = 10071137778624.

The previous prime is 10101212011207. The next prime is 10101212011243. The reversal of 10101212011223 is 32211021210101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10101212011223 - 2⁴ = 10101212011207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101212011243) 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, 9816236 + ... + 10796337.

It is an arithmetic number, because the mean of its divisors is an integer number (1266415933986).

Almost surely, 2^{10101212011223} is an apocalyptic number.

10101212011223 is a deficient number, since it is larger than the sum of its proper divisors (30115460665).

10101212011223 is an equidigital number, since it uses as much as digits as its factorization.

10101212011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20614033.

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

Adding to 10101212011223 its reverse (32211021210101), we get a palindrome (42312233221324).

The spelling of 10101212011223 in words is "ten trillion, one hundred one billion, two hundred twelve million, eleven thousand, two hundred twenty-three".