11021650620 has 48 divisors (see below), whose sum is σ = 30885540000. Its totient is φ = 2936733696.

The previous prime is 11021650589. The next prime is 11021650639. The reversal of 11021650620 is 2605612011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404 + ... + 148476.

It is an arithmetic number, because the mean of its divisors is an integer number (643448750).

Almost surely, 2^11021650620 is an apocalyptic number.

11021650620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021650620 is an abundant number, since it is smaller than the sum of its proper divisors (19863889380).

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

11021650620 is a wasteful number, since it uses less digits than its factorization.

11021650620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148334 (or 148332 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 11021650620 in words is "eleven billion, twenty-one million, six hundred fifty thousand, six hundred twenty".