1011212211323 has 8 divisors (see below), whose sum is σ = 1013145039168. Its totient is φ = 1009279691784.

The previous prime is 1011212211319. The next prime is 1011212211341. The reversal of 1011212211323 is 3231122121101.

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 1011212211323 - 2² = 1011212211319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011212211295 and 1011212211304.

It is not an unprimeable number, because it can be changed into a prime (1011211211323) 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, 7129940 + ... + 7270382.

It is an arithmetic number, because the mean of its divisors is an integer number (126643129896).

Almost surely, 2^{1011212211323} is an apocalyptic number.

1011212211323 is a deficient number, since it is larger than the sum of its proper divisors (1932827845).

1011212211323 is a wasteful number, since it uses less digits than its factorization.

1011212211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154153.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1011212211323 its reverse (3231122121101), we get a palindrome (4242334332424).

The spelling of 1011212211323 in words is "one trillion, eleven billion, two hundred twelve million, two hundred eleven thousand, three hundred twenty-three".