20121002021083 has 2 divisors, whose sum is σ = 20121002021084. Its totient is φ = 20121002021082.

The previous prime is 20121002021063. The next prime is 20121002021161. The reversal of 20121002021083 is 38012020012102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20121002021083 is a prime.

It is not a weakly prime, because it can be changed into another prime (20121002021063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060501010541 + 10060501010542.

It is an arithmetic number, because the mean of its divisors is an integer number (10060501010542).

Almost surely, 2^{20121002021083} is an apocalyptic number.

20121002021083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121002021083 is an equidigital number, since it uses as much as digits as its factorization.

20121002021083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20121002021083 its reverse (38012020012102), we get a palindrome (58133022033185).

The spelling of 20121002021083 in words is "twenty trillion, one hundred twenty-one billion, two million, twenty-one thousand, eighty-three".