140223420213021 has 12 divisors (see below), whose sum is σ = 202638667749180. Its totient is φ = 93439021322880.

The previous prime is 140223420212969. The next prime is 140223420213029. The reversal of 140223420213021 is 120312024322041.

140223420213021 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 2 + 3 + 420 + 213 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63238852625796 + 76984567587225 = 7952286^2 + 8774085^2 .

It is not a de Polignac number, because 140223420213021 - 2⁷ = 140223420212893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223420213029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3604881066 + ... + 3604919963.

It is an arithmetic number, because the mean of its divisors is an integer number (16886555645765).

Almost surely, 2^{140223420213021} is an apocalyptic number.

It is an amenable number.

140223420213021 is a deficient number, since it is larger than the sum of its proper divisors (62415247536159).

140223420213021 is a wasteful number, since it uses less digits than its factorization.

140223420213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209803196 (or 7209803193 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140223420213021 its reverse (120312024322041), we get a palindrome (260535444535062).

The spelling of 140223420213021 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred twenty million, two hundred thirteen thousand, twenty-one".