100422950897 has 2 divisors, whose sum is σ = 100422950898. Its totient is φ = 100422950896.

The previous prime is 100422950861. The next prime is 100422950939. The reversal of 100422950897 is 798059224001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99404000656 + 1018950241 = 315284^2 + 31921^2 .

It is a cyclic number.

It is not a de Polignac number, because 100422950897 - 2¹² = 100422946801 is a prime.

It is a super-4 number, since 4×100422950897⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (100422950597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50211475448 + 50211475449.

It is an arithmetic number, because the mean of its divisors is an integer number (50211475449).

Almost surely, 2^100422950897 is an apocalyptic number.

It is an amenable number.

100422950897 is a deficient number, since it is larger than the sum of its proper divisors (1).

100422950897 is an equidigital number, since it uses as much as digits as its factorization.

100422950897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 100422950897 in words is "one hundred billion, four hundred twenty-two million, nine hundred fifty thousand, eight hundred ninety-seven".