11211242200402 has 4 divisors (see below), whose sum is σ = 16816863300606. Its totient is φ = 5605621100200.

The previous prime is 11211242200391. The next prime is 11211242200441. The reversal of 11211242200402 is 20400224211211.

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., 7324000151521 + 3887242048881 = 2706289^2 + 1971609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802810550099 + ... + 2802810550102.

Almost surely, 2^{11211242200402} is an apocalyptic number.

11211242200402 is a deficient number, since it is larger than the sum of its proper divisors (5605621100204).

11211242200402 is an equidigital number, since it uses as much as digits as its factorization.

11211242200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605621100203.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11211242200402 its reverse (20400224211211), we get a palindrome (31611466411613).

The spelling of 11211242200402 in words is "eleven trillion, two hundred eleven billion, two hundred forty-two million, two hundred thousand, four hundred two".