11070021020 has 24 divisors (see below), whose sum is σ = 23253005664. Its totient is φ = 4426872896.

The previous prime is 11070020959. The next prime is 11070021023. The reversal of 11070021020 is 2012007011.

It is a junction number, because it is equal to n+sod(n) for n = 11070020986 and 11070021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11070021023) 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, 11297 + ... + 149223.

It is an arithmetic number, because the mean of its divisors is an integer number (968875236).

Almost surely, 2^11070021020 is an apocalyptic number.

11070021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11070021020 is an abundant number, since it is smaller than the sum of its proper divisors (12182984644).

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

11070021020 is a wasteful number, since it uses less digits than its factorization.

11070021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141949 (or 141947 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 11070021020 its reverse (2012007011), we get a palindrome (13082028031).

The spelling of 11070021020 in words is "eleven billion, seventy million, twenty-one thousand, twenty".