101422443431240 has 32 divisors (see below), whose sum is σ = 236069480403000. Its totient is φ = 39170047117824.

The previous prime is 101422443431191. The next prime is 101422443431249. The reversal of 101422443431240 is 42134344224101.

It can be written as a sum of positive squares in 4 ways, for example, as 96523826219716 + 4898617211524 = 9824654^2 + 2213282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101422443431240.

It is not an unprimeable number, because it can be changed into a prime (101422443431249) 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, 43716569285 + ... + 43716571604.

Almost surely, 2^{101422443431240} is an apocalyptic number.

101422443431240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101422443431240 is an abundant number, since it is smaller than the sum of its proper divisors (134647036971760).

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

101422443431240 is a wasteful number, since it uses less digits than its factorization.

101422443431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87433140929 (or 87433140925 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 101422443431240 its reverse (42134344224101), we get a palindrome (143556787655341).

The spelling of 101422443431240 in words is "one hundred one trillion, four hundred twenty-two billion, four hundred forty-three million, four hundred thirty-one thousand, two hundred forty".