140021321022 has 48 divisors (see below), whose sum is σ = 335620920960. Its totient is φ = 41833083600.

The previous prime is 140021320973. The next prime is 140021321023. The reversal of 140021321022 is 220123120041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140021320986 and 140021321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140021321023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4966072 + ... + 4994187.

It is an arithmetic number, because the mean of its divisors is an integer number (6992102520).

Almost surely, 2^140021321022 is an apocalyptic number.

140021321022 is an abundant number, since it is smaller than the sum of its proper divisors (195599599938).

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

140021321022 is a wasteful number, since it uses less digits than its factorization.

140021321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9960349 (or 9960346 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 140021321022 its reverse (220123120041), we get a palindrome (360144441063).

The spelling of 140021321022 in words is "one hundred forty billion, twenty-one million, three hundred twenty-one thousand, twenty-two".