10002021001937 has 2 divisors, whose sum is σ = 10002021001938. Its totient is φ = 10002021001936.

The previous prime is 10002021001933. The next prime is 10002021002033. The reversal of 10002021001937 is 73910012020001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6816506392336 + 3185514609601 = 2610844^2 + 1784801^2 .

It is an emirp because it is prime and its reverse (73910012020001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10002021001937 - 2² = 10002021001933 is a prime.

It is not a weakly prime, because it can be changed into another prime (10002021001933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001010500968 + 5001010500969.

It is an arithmetic number, because the mean of its divisors is an integer number (5001010500969).

Almost surely, 2^{10002021001937} is an apocalyptic number.

It is an amenable number.

10002021001937 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002021001937 is an equidigital number, since it uses as much as digits as its factorization.

10002021001937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 10002021001937 its reverse (73910012020001), we get a palindrome (83912033021938).

The spelling of 10002021001937 in words is "ten trillion, two billion, twenty-one million, one thousand, nine hundred thirty-seven".