10202440042122 has 16 divisors (see below), whose sum is σ = 20405496812832. Its totient is φ = 3400710559280.

The previous prime is 10202440042121. The next prime is 10202440042177. The reversal of 10202440042122 is 22124004420201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10202440042092 and 10202440042101.

It is not an unprimeable number, because it can be changed into a prime (10202440042121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25481829 + ... + 25879112.

It is an arithmetic number, because the mean of its divisors is an integer number (1275343550802).

Almost surely, 2^{10202440042122} is an apocalyptic number.

10202440042122 is an abundant number, since it is smaller than the sum of its proper divisors (10203056770710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10202440042122 is a wasteful number, since it uses less digits than its factorization.

10202440042122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51394053.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 10202440042122 its reverse (22124004420201), we get a palindrome (32326444462323).

The spelling of 10202440042122 in words is "ten trillion, two hundred two billion, four hundred forty million, forty-two thousand, one hundred twenty-two".