11020202120 has 32 divisors (see below), whose sum is σ = 24850719000. Its totient is φ = 4398256128.

The previous prime is 11020202119. The next prime is 11020202173. The reversal of 11020202120 is 2120202011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9758673796 + 1261528324 = 98786^2 + 35518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288839 + ... + 324758.

Almost surely, 2^11020202120 is an apocalyptic number.

11020202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020202120 is an abundant number, since it is smaller than the sum of its proper divisors (13830516880).

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

11020202120 is a wasteful number, since it uses less digits than its factorization.

11020202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614057 (or 614053 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11020202120 its reverse (2120202011), we get a palindrome (13140404131).

The spelling of 11020202120 in words is "eleven billion, twenty million, two hundred two thousand, one hundred twenty".