11021010020 has 96 divisors (see below), whose sum is σ = 24123052800. Its totient is φ = 4227047424.

The previous prime is 11021009969. The next prime is 11021010109. The reversal of 11021010020 is 2001012011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8354921 + ... + 8356239.

It is an arithmetic number, because the mean of its divisors is an integer number (251281800).

Almost surely, 2^11021010020 is an apocalyptic number.

11021010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021010020 is an abundant number, since it is smaller than the sum of its proper divisors (13102042780).

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

11021010020 is a wasteful number, since it uses less digits than its factorization.

11021010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11021010020 its reverse (2001012011), we get a palindrome (13022022031).

The spelling of 11021010020 in words is "eleven billion, twenty-one million, ten thousand, twenty".