11010212121123 has 12 divisors (see below), whose sum is σ = 15961053595968. Its totient is φ = 7313642706960.

The previous prime is 11010212121059. The next prime is 11010212121149. The reversal of 11010212121123 is 32112121201011.

It is a happy number.

It is not a de Polignac number, because 11010212121123 - 2⁶ = 11010212121059 is a prime.

It is a super-2 number, since 2×11010212121123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11010212121096 and 11010212121105.

It is not an unprimeable number, because it can be changed into a prime (11010212121023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2208222963 + ... + 2208227948.

It is an arithmetic number, because the mean of its divisors is an integer number (1330087799664).

Almost surely, 2^{11010212121123} is an apocalyptic number.

11010212121123 is a deficient number, since it is larger than the sum of its proper divisors (4950841474845).

11010212121123 is a wasteful number, since it uses less digits than its factorization.

11010212121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416451194 (or 4416451191 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11010212121123 its reverse (32112121201011), we get a palindrome (43122333322134).

The spelling of 11010212121123 in words is "eleven trillion, ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty-three".