142121111200097 has 2 divisors, whose sum is σ = 142121111200098. Its totient is φ = 142121111200096.

The previous prime is 142121111200073. The next prime is 142121111200139. The reversal of 142121111200097 is 790002111121241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125375697842641 + 16745413357456 = 11197129^2 + 4092116^2 .

It is a cyclic number.

It is not a de Polignac number, because 142121111200097 - 2²² = 142121107005793 is a prime.

It is not a weakly prime, because it can be changed into another prime (142121111200007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71060555600048 + 71060555600049.

It is an arithmetic number, because the mean of its divisors is an integer number (71060555600049).

Almost surely, 2^{142121111200097} is an apocalyptic number.

It is an amenable number.

142121111200097 is a deficient number, since it is larger than the sum of its proper divisors (1).

142121111200097 is an equidigital number, since it uses as much as digits as its factorization.

142121111200097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 142121111200097 in words is "one hundred forty-two trillion, one hundred twenty-one billion, one hundred eleven million, two hundred thousand, ninety-seven".