20011121322002 has 32 divisors (see below), whose sum is σ = 30733916209920. Its totient is φ = 9767590746880.

The previous prime is 20011121322001. The next prime is 20011121322097. The reversal of 20011121322002 is 20022312111002.

It is not an unprimeable number, because it can be changed into a prime (20011121322001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111668858 + ... + 111847914.

It is an arithmetic number, because the mean of its divisors is an integer number (960434881560).

Almost surely, 2^{20011121322002} is an apocalyptic number.

20011121322002 is a deficient number, since it is larger than the sum of its proper divisors (10722794887918).

20011121322002 is a wasteful number, since it uses less digits than its factorization.

20011121322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182146.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20011121322002 its reverse (20022312111002), we get a palindrome (40033433433004).

The spelling of 20011121322002 in words is "twenty trillion, eleven billion, one hundred twenty-one million, three hundred twenty-two thousand, two".