20101234001 has 2 divisors, whose sum is σ = 20101234002. Its totient is φ = 20101234000.

The previous prime is 20101233989. The next prime is 20101234003. The reversal of 20101234001 is 10043210102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16951779601 + 3149454400 = 130199^2 + 56120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20101234001 is a prime.

Together with 20101234003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20101234003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050617000 + 10050617001.

It is an arithmetic number, because the mean of its divisors is an integer number (10050617001).

Almost surely, 2^20101234001 is an apocalyptic number.

It is an amenable number.

20101234001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101234001 is an equidigital number, since it uses as much as digits as its factorization.

20101234001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20101234001 its reverse (10043210102), we get a palindrome (30144444103).

The spelling of 20101234001 in words is "twenty billion, one hundred one million, two hundred thirty-four thousand, one".