11011120402 has 4 divisors (see below), whose sum is σ = 16516680606. Its totient is φ = 5505560200.

The previous prime is 11011120399. The next prime is 11011120411. The reversal of 11011120402 is 20402111011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20402111011 = 631 ⋅32332981.

It can be written as a sum of positive squares in only one way, i.e., 6513942681 + 4497177721 = 80709^2 + 67061^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752780099 + ... + 2752780102.

Almost surely, 2^11011120402 is an apocalyptic number.

11011120402 is a deficient number, since it is larger than the sum of its proper divisors (5505560204).

11011120402 is an equidigital number, since it uses as much as digits as its factorization.

11011120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505560203.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11011120402 its reverse (20402111011), we get a palindrome (31413231413).

The spelling of 11011120402 in words is "eleven billion, eleven million, one hundred twenty thousand, four hundred two".