1100402131522 has 4 divisors (see below), whose sum is σ = 1650603197286. Its totient is φ = 550201065760.

The previous prime is 1100402131489. The next prime is 1100402131547. The reversal of 1100402131522 is 2251312040011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1034880978681 + 65521152841 = 1017291^2 + 255971^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100402131493 and 1100402131502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275100532879 + ... + 275100532882.

Almost surely, 2^{1100402131522} is an apocalyptic number.

1100402131522 is a deficient number, since it is larger than the sum of its proper divisors (550201065764).

1100402131522 is an equidigital number, since it uses as much as digits as its factorization.

1100402131522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550201065763.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1100402131522 its reverse (2251312040011), we get a palindrome (3351714171533).

The spelling of 1100402131522 in words is "one trillion, one hundred billion, four hundred two million, one hundred thirty-one thousand, five hundred twenty-two".