100122142402397 has 2 divisors, whose sum is σ = 100122142402398. Its totient is φ = 100122142402396.

The previous prime is 100122142402357. The next prime is 100122142402489. The reversal of 100122142402397 is 793204241221001.

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., 71377811234521 + 28744331167876 = 8448539^2 + 5361374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100122142402397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100122142402397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122142402357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061071201198 + 50061071201199.

It is an arithmetic number, because the mean of its divisors is an integer number (50061071201199).

Almost surely, 2^{100122142402397} is an apocalyptic number.

It is an amenable number.

100122142402397 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122142402397 is an equidigital number, since it uses as much as digits as its factorization.

100122142402397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 100122142402397 its reverse (793204241221001), we get a palindrome (893326383623398).

The spelling of 100122142402397 in words is "one hundred trillion, one hundred twenty-two billion, one hundred forty-two million, four hundred two thousand, three hundred ninety-seven".