20001021002114 has 8 divisors (see below), whose sum is σ = 30132542558460. Its totient is φ = 9956840149296.

The previous prime is 20001021002071. The next prime is 20001021002191. The reversal of 20001021002114 is 41120012010002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12694363297225 + 7306657704889 = 3562915^2 + 2703083^2 .

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

It is a super-2 number, since 2×20001021002114² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21835175309 + ... + 21835176224.

Almost surely, 2^{20001021002114} is an apocalyptic number.

20001021002114 is a deficient number, since it is larger than the sum of its proper divisors (10131521556346).

20001021002114 is a wasteful number, since it uses less digits than its factorization.

20001021002114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43670351764.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20001021002114 its reverse (41120012010002), we get a palindrome (61121033012116).

The spelling of 20001021002114 in words is "twenty trillion, one billion, twenty-one million, two thousand, one hundred fourteen".