20100010222001 has 2 divisors, whose sum is σ = 20100010222002. Its totient is φ = 20100010222000.

The previous prime is 20100010221983. The next prime is 20100010222057. The reversal of 20100010222001 is 10022201000102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19589962863025 + 510047358976 = 4426055^2 + 714176^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100010222001 - 2¹⁰ = 20100010220977 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100010224001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050005111000 + 10050005111001.

It is an arithmetic number, because the mean of its divisors is an integer number (10050005111001).

Almost surely, 2^{20100010222001} is an apocalyptic number.

It is an amenable number.

20100010222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100010222001 is an equidigital number, since it uses as much as digits as its factorization.

20100010222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20100010222001 its reverse (10022201000102), we get a palindrome (30122211222103).

The spelling of 20100010222001 in words is "twenty trillion, one hundred billion, ten million, two hundred twenty-two thousand, one".