101225540205 has 24 divisors (see below), whose sum is σ = 177161083008. Its totient is φ = 53462807136.

The previous prime is 101225540203. The next prime is 101225540219. The reversal of 101225540205 is 502045522101.

101225540205 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 255 + 402 + 0 + 5 = 666.

It is not a de Polignac number, because 101225540205 - 2¹ = 101225540203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101225540203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10915057 + ... + 10924326.

It is an arithmetic number, because the mean of its divisors is an integer number (7381711792).

Almost surely, 2^101225540205 is an apocalyptic number.

101225540205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101225540205 is a deficient number, since it is larger than the sum of its proper divisors (75935542803).

101225540205 is a wasteful number, since it uses less digits than its factorization.

101225540205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21839497 (or 21839494 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 101225540205 in words is "one hundred one billion, two hundred twenty-five million, five hundred forty thousand, two hundred five".