101200402001 has 2 divisors, whose sum is σ = 101200402002. Its totient is φ = 101200402000.

The previous prime is 101200401997. The next prime is 101200402033. The reversal of 101200402001 is 100204002101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59584810000 + 41615592001 = 244100^2 + 203999^2 .

It is a cyclic number.

It is not a de Polignac number, because 101200402001 - 2² = 101200401997 is a prime.

It is not a weakly prime, because it can be changed into another prime (101200402091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600201000 + 50600201001.

It is an arithmetic number, because the mean of its divisors is an integer number (50600201001).

Almost surely, 2^101200402001 is an apocalyptic number.

It is an amenable number.

101200402001 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200402001 is an equidigital number, since it uses as much as digits as its factorization.

101200402001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 101200402001 its reverse (100204002101), we get a palindrome (201404404102).

The spelling of 101200402001 in words is "one hundred one billion, two hundred million, four hundred two thousand, one".