11621005122002 has 4 divisors (see below), whose sum is σ = 17431507683006. Its totient is φ = 5810502561000.

The previous prime is 11621005121987. The next prime is 11621005122059. The reversal of 11621005122002 is 20022150012611.

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., 9167518339681 + 2453486782321 = 3027791^2 + 1566361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2905251280499 + ... + 2905251280502.

Almost surely, 2^{11621005122002} is an apocalyptic number.

11621005122002 is a deficient number, since it is larger than the sum of its proper divisors (5810502561004).

11621005122002 is an equidigital number, since it uses as much as digits as its factorization.

11621005122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810502561003.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11621005122002 its reverse (20022150012611), we get a palindrome (31643155134613).

The spelling of 11621005122002 in words is "eleven trillion, six hundred twenty-one billion, five million, one hundred twenty-two thousand, two".