20021132311102 has 8 divisors (see below), whose sum is σ = 32341829117976. Its totient is φ = 9240522605112.

The previous prime is 20021132311091. The next prime is 20021132311127. The reversal of 20021132311102 is 20111323112002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20021132311102.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 385021775188 + ... + 385021775239.

It is an arithmetic number, because the mean of its divisors is an integer number (4042728639747).

Almost surely, 2^{20021132311102} is an apocalyptic number.

20021132311102 is a deficient number, since it is larger than the sum of its proper divisors (12320696806874).

20021132311102 is a wasteful number, since it uses less digits than its factorization.

20021132311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770043550442.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20021132311102 its reverse (20111323112002), we get a palindrome (40132455423104).

The spelling of 20021132311102 in words is "twenty trillion, twenty-one billion, one hundred thirty-two million, three hundred eleven thousand, one hundred two".