11021210212123 has 8 divisors (see below), whose sum is σ = 11500431280128. Its totient is φ = 10541992312104.

The previous prime is 11021210212121. The next prime is 11021210212127. The reversal of 11021210212123 is 32121201212011.

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 11021210212123 - 2¹ = 11021210212121 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 11021210212123.

It is not an unprimeable number, because it can be changed into a prime (11021210212121) 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, 8777286 + ... + 9954052.

It is an arithmetic number, because the mean of its divisors is an integer number (1437553910016).

Almost surely, 2^{11021210212123} is an apocalyptic number.

11021210212123 is a deficient number, since it is larger than the sum of its proper divisors (479221068005).

11021210212123 is a wasteful number, since it uses less digits than its factorization.

11021210212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583993.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11021210212123 its reverse (32121201212011), we get a palindrome (43142411424134).

The spelling of 11021210212123 in words is "eleven trillion, twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-three".