10202242344021 has 72 divisors (see below), whose sum is σ = 18853992428544. Its totient is φ = 5266904489280.

The previous prime is 10202242343957. The next prime is 10202242344079. The reversal of 10202242344021 is 12044324220201.

It is a happy number.

10202242344021 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 2 + 24 + 234 + 402 + 1 = 666.

It is not a de Polignac number, because 10202242344021 - 2⁶ = 10202242343957 is a prime.

It is a super-2 number, since 2×10202242344021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202242344121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18662085 + ... + 19200986.

It is an arithmetic number, because the mean of its divisors is an integer number (261861005952).

Almost surely, 2^{10202242344021} is an apocalyptic number.

It is an amenable number.

10202242344021 is a deficient number, since it is larger than the sum of its proper divisors (8651750084523).

10202242344021 is a wasteful number, since it uses less digits than its factorization.

10202242344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37863151 (or 37863141 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10202242344021 its reverse (12044324220201), we get a palindrome (22246566564222).

The spelling of 10202242344021 in words is "ten trillion, two hundred two billion, two hundred forty-two million, three hundred forty-four thousand, twenty-one".