1101244402 has 4 divisors (see below), whose sum is σ = 1651866606. Its totient is φ = 550622200.

The previous prime is 1101244367. The next prime is 1101244421. The reversal of 1101244402 is 2044421011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2044421011 = 311 ⋅6573701.

It can be written as a sum of positive squares in only one way, i.e., 824321521 + 276922881 = 28711^2 + 16641^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1101244402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275311099 + ... + 275311102.

Almost surely, 2^1101244402 is an apocalyptic number.

1101244402 is a deficient number, since it is larger than the sum of its proper divisors (550622204).

1101244402 is an equidigital number, since it uses as much as digits as its factorization.

1101244402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550622203.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1101244402 is about 33185.0026668675. The cubic root of 1101244402 is about 1032.6692328332.

Adding to 1101244402 its reverse (2044421011), we get a palindrome (3145665413).

The spelling of 1101244402 in words is "one billion, one hundred one million, two hundred forty-four thousand, four hundred two".