11021020010 has 192 divisors, whose sum is σ = 27130263552. Its totient is φ = 3136320000.

The previous prime is 11021020001. The next prime is 11021020027. The reversal of 11021020010 is 1002012011.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11021020010.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11120615 + ... + 11121605.

It is an arithmetic number, because the mean of its divisors is an integer number (141303456).

Almost surely, 2^11021020010 is an apocalyptic number.

11021020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021020010 is an abundant number, since it is smaller than the sum of its proper divisors (16109243542).

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

11021020010 is a wasteful number, since it uses less digits than its factorization.

11021020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1130 counting only the distinct ones).

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

Adding to 11021020010 its reverse (1002012011), we get a palindrome (12023032021).

The spelling of 11021020010 in words is "eleven billion, twenty-one million, twenty thousand, ten".