140214213022221 has 40 divisors (see below), whose sum is σ = 225788714313624. Its totient is φ = 86201157951360.

The previous prime is 140214213022201. The next prime is 140214213022229. The reversal of 140214213022221 is 122220312412041.

140214213022221 is a `hidden beast` number, since 1 + 402 + 1 + 4 + 2 + 1 + 30 + 2 + 2 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9683268122025 + 130530944900196 = 3111795^2 + 11425014^2 .

It is not a de Polignac number, because 140214213022221 - 2¹⁴ = 140214213005837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140214213022229) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64133946 + ... + 66284171.

Almost surely, 2^{140214213022221} is an apocalyptic number.

It is an amenable number.

140214213022221 is a deficient number, since it is larger than the sum of its proper divisors (85574501291403).

140214213022221 is a wasteful number, since it uses less digits than its factorization.

140214213022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130419163 (or 130419154 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 140214213022221 its reverse (122220312412041), we get a palindrome (262434525434262).

The spelling of 140214213022221 in words is "one hundred forty trillion, two hundred fourteen billion, two hundred thirteen million, twenty-two thousand, two hundred twenty-one".