11205221070 has 16 divisors (see below), whose sum is σ = 26892530640. Its totient is φ = 2988058944.

The previous prime is 11205221047. The next prime is 11205221077. The reversal of 11205221070 is 7012250211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205221077) 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, 186753655 + ... + 186753714.

It is an arithmetic number, because the mean of its divisors is an integer number (1680783165).

Almost surely, 2^11205221070 is an apocalyptic number.

11205221070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11205221070 is an abundant number, since it is smaller than the sum of its proper divisors (15687309570).

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

11205221070 is a wasteful number, since it uses less digits than its factorization.

11205221070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373507379.

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 11205221070 its reverse (7012250211), we get a palindrome (18217471281).

The spelling of 11205221070 in words is "eleven billion, two hundred five million, two hundred twenty-one thousand, seventy".