11002021030 has 64 divisors (see below), whose sum is σ = 26589523968. Its totient is φ = 3165413760.

The previous prime is 11002021007. The next prime is 11002021033. The reversal of 11002021030 is 3012020011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11002020998 and 11002021016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002021033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539542 + ... + 559561.

It is an arithmetic number, because the mean of its divisors is an integer number (415461312).

Almost surely, 2^11002021030 is an apocalyptic number.

11002021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11002021030 is an abundant number, since it is smaller than the sum of its proper divisors (15587502938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11002021030 is a wasteful number, since it uses less digits than its factorization.

11002021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099141.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 11002021030 its reverse (3012020011), we get a palindrome (14014041041).

The spelling of 11002021030 in words is "eleven billion, two million, twenty-one thousand, thirty".