240010120202021 has 32 divisors (see below), whose sum is σ = 273929631948000. Its totient is φ = 208673609195520.

The previous prime is 240010120202009. The next prime is 240010120202029. The reversal of 240010120202021 is 120202021010042.

It can be written as a sum of positive squares in 16 ways, for example, as 40606067099521 + 199404053102500 = 6372289^2 + 14121050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240010120202021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240010120202029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187148045 + ... + 188426141.

It is an arithmetic number, because the mean of its divisors is an integer number (8560300998375).

Almost surely, 2^{240010120202021} is an apocalyptic number.

It is an amenable number.

240010120202021 is a deficient number, since it is larger than the sum of its proper divisors (33919511745979).

240010120202021 is a wasteful number, since it uses less digits than its factorization.

240010120202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290329.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 240010120202021 its reverse (120202021010042), we get a palindrome (360212141212063).

The spelling of 240010120202021 in words is "two hundred forty trillion, ten billion, one hundred twenty million, two hundred two thousand, twenty-one".