101440210031209 has 16 divisors (see below), whose sum is σ = 116351575370368. Its totient is φ = 86633828836992.

The previous prime is 101440210031207. The next prime is 101440210031239. The reversal of 101440210031209 is 902130012044101.

It is a cyclic number.

It is not a de Polignac number, because 101440210031209 - 2¹ = 101440210031207 is a prime.

It is a super-2 number, since 2×101440210031209² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101440210031207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194681062 + ... + 195201424.

It is an arithmetic number, because the mean of its divisors is an integer number (7271973460648).

Almost surely, 2^{101440210031209} is an apocalyptic number.

It is an amenable number.

101440210031209 is a deficient number, since it is larger than the sum of its proper divisors (14911365339159).

101440210031209 is a wasteful number, since it uses less digits than its factorization.

101440210031209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621184.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 101440210031209 in words is "one hundred one trillion, four hundred forty billion, two hundred ten million, thirty-one thousand, two hundred nine".