11202271522 has 32 divisors (see below), whose sum is σ = 19056985920. Its totient is φ = 4895951040.

The previous prime is 11202271519. The next prime is 11202271523. The reversal of 11202271522 is 22517220211.

It is a happy number.

It is a super-2 number, since 2×11202271522² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11202271523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603497 + ... + 1610467.

It is an arithmetic number, because the mean of its divisors is an integer number (595530810).

Almost surely, 2^11202271522 is an apocalyptic number.

11202271522 is a deficient number, since it is larger than the sum of its proper divisors (7854714398).

11202271522 is a wasteful number, since it uses less digits than its factorization.

11202271522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 11202271522 its reverse (22517220211), we get a palindrome (33719491733).

The spelling of 11202271522 in words is "eleven billion, two hundred two million, two hundred seventy-one thousand, five hundred twenty-two".