11212011222002 has 4 divisors (see below), whose sum is σ = 16818016833006. Its totient is φ = 5606005611000.

The previous prime is 11212011221969. The next prime is 11212011222023. The reversal of 11212011222002 is 20022211021211.

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., 9933282227521 + 1278728994481 = 3151711^2 + 1130809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803002805499 + ... + 2803002805502.

Almost surely, 2^{11212011222002} is an apocalyptic number.

11212011222002 is a deficient number, since it is larger than the sum of its proper divisors (5606005611004).

11212011222002 is an equidigital number, since it uses as much as digits as its factorization.

11212011222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606005611003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212011222002 its reverse (20022211021211), we get a palindrome (31234222243213).

The spelling of 11212011222002 in words is "eleven trillion, two hundred twelve billion, eleven million, two hundred twenty-two thousand, two".