11202120101028 has 12 divisors (see below), whose sum is σ = 26138280235760. Its totient is φ = 3734040033672.

The previous prime is 11202120101027. The next prime is 11202120101143. The reversal of 11202120101028 is 82010102120211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11202120100995 and 11202120101013.

It is not an unprimeable number, because it can be changed into a prime (11202120101027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466755004198 + ... + 466755004221.

Almost surely, 2^{11202120101028} is an apocalyptic number.

It is an amenable number.

11202120101028 is an abundant number, since it is smaller than the sum of its proper divisors (14936160134732).

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

11202120101028 is a wasteful number, since it uses less digits than its factorization.

11202120101028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933510008426 (or 933510008424 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 11202120101028 its reverse (82010102120211), we get a palindrome (93212222221239).

The spelling of 11202120101028 in words is "eleven trillion, two hundred two billion, one hundred twenty million, one hundred one thousand, twenty-eight".