11000021010123 has 16 divisors (see below), whose sum is σ = 16346780449920. Its totient is φ = 6538712178816.

The previous prime is 11000021010091. The next prime is 11000021010149. The reversal of 11000021010123 is 32101012000011.

It is not a de Polignac number, because 11000021010123 - 2⁵ = 11000021010091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11000021010099 and 11000021010108.

It is not an unprimeable number, because it can be changed into a prime (11000021010163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5675964465 + ... + 5675966402.

It is an arithmetic number, because the mean of its divisors is an integer number (1021673778120).

Almost surely, 2^{11000021010123} is an apocalyptic number.

11000021010123 is a deficient number, since it is larger than the sum of its proper divisors (5346759439797).

11000021010123 is a wasteful number, since it uses less digits than its factorization.

11000021010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351930906.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11000021010123 its reverse (32101012000011), we get a palindrome (43101033010134).

The spelling of 11000021010123 in words is "eleven trillion, twenty-one million, ten thousand, one hundred twenty-three".