101202122005 has 8 divisors (see below), whose sum is σ = 125630220600. Its totient is φ = 78169914816.

The previous prime is 101202121991. The next prime is 101202122027. The reversal of 101202122005 is 500221202101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2350989169 + 98851132836 = 48487^2 + 314406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101202122005 - 2²⁵ = 101168567573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101202122005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348972690 + ... + 348972979.

It is an arithmetic number, because the mean of its divisors is an integer number (15703777575).

Almost surely, 2^101202122005 is an apocalyptic number.

It is an amenable number.

101202122005 is a deficient number, since it is larger than the sum of its proper divisors (24428098595).

101202122005 is an equidigital number, since it uses as much as digits as its factorization.

101202122005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697945703.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 101202122005 its reverse (500221202101), we get a palindrome (601423324106).

The spelling of 101202122005 in words is "one hundred one billion, two hundred two million, one hundred twenty-two thousand, five".