140222421021 has 16 divisors (see below), whose sum is σ = 190730018304. Its totient is φ = 91602648384.

The previous prime is 140222421011. The next prime is 140222421029. The reversal of 140222421021 is 120124222041.

It is not a de Polignac number, because 140222421021 - 2¹⁵ = 140222388253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140222421029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426541 + ... + 679986.

It is an arithmetic number, because the mean of its divisors is an integer number (11920626144).

Almost surely, 2^140222421021 is an apocalyptic number.

It is an amenable number.

140222421021 is a deficient number, since it is larger than the sum of its proper divisors (50507597283).

140222421021 is a wasteful number, since it uses less digits than its factorization.

140222421021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107380.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 140222421021 its reverse (120124222041), we get a palindrome (260346643062).

The spelling of 140222421021 in words is "one hundred forty billion, two hundred twenty-two million, four hundred twenty-one thousand, twenty-one".