1010121123311 has 4 divisors (see below), whose sum is σ = 1012873497312. Its totient is φ = 1007368749312.

The previous prime is 1010121123289. The next prime is 1010121123343. The reversal of 1010121123311 is 1133211210101.

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

It is a cyclic number.

It is not a de Polignac number, because 1010121123311 - 2¹⁴ = 1010121106927 is a prime.

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 1010121123311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010121123371) 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, 1376186450 + ... + 1376187183.

It is an arithmetic number, because the mean of its divisors is an integer number (253218374328).

Almost surely, 2^{1010121123311} is an apocalyptic number.

1010121123311 is a deficient number, since it is larger than the sum of its proper divisors (2752374001).

1010121123311 is an equidigital number, since it uses as much as digits as its factorization.

1010121123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752374000.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1010121123311 its reverse (1133211210101), we get a palindrome (2143332333412).

The spelling of 1010121123311 in words is "one trillion, ten billion, one hundred twenty-one million, one hundred twenty-three thousand, three hundred eleven".