2145205150101 has 24 divisors (see below), whose sum is σ = 3369383728256. Its totient is φ = 1307309479200.

The previous prime is 2145205150079. The next prime is 2145205150111. The reversal of 2145205150101 is 1010515025412.

It is a happy number.

2145205150101 is a `hidden beast` number, since 2 + 1 + 45 + 2 + 0 + 515 + 0 + 101 = 666.

It is not a de Polignac number, because 2145205150101 - 2⁷ = 2145205149973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145205150111) 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, 88993225 + ... + 89017326.

Almost surely, 2^{2145205150101} is an apocalyptic number.

It is an amenable number.

2145205150101 is a deficient number, since it is larger than the sum of its proper divisors (1224178578155).

2145205150101 is a wasteful number, since it uses less digits than its factorization.

2145205150101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178010673 (or 178010670 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 2145205150101 in words is "two trillion, one hundred forty-five billion, two hundred five million, one hundred fifty thousand, one hundred one".