11020021394 has 32 divisors (see below), whose sum is σ = 17562961920. Its totient is φ = 5171257728.

The previous prime is 11020021393. The next prime is 11020021409. The reversal of 11020021394 is 49312002011.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11020021393) 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, 4520744 + ... + 4523180.

It is an arithmetic number, because the mean of its divisors is an integer number (548842560).

Almost surely, 2^11020021394 is an apocalyptic number.

11020021394 is a deficient number, since it is larger than the sum of its proper divisors (6542940526).

11020021394 is a wasteful number, since it uses less digits than its factorization.

11020021394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 11020021394 in words is "eleven billion, twenty million, twenty-one thousand, three hundred ninety-four".