214211122122021 has 16 divisors (see below), whose sum is σ = 291214129029120. Its totient is φ = 140020404485360.

The previous prime is 214211122121993. The next prime is 214211122122037. The reversal of 214211122122021 is 120221221112412.

It is a cyclic number.

It is not a de Polignac number, because 214211122122021 - 2¹⁵ = 214211122089253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214211122121982 and 214211122122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214211122122821) 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, 1579869975 + ... + 1580005556.

It is an arithmetic number, because the mean of its divisors is an integer number (18200883064320).

Almost surely, 2^{214211122122021} is an apocalyptic number.

It is an amenable number.

214211122122021 is a deficient number, since it is larger than the sum of its proper divisors (77003006907099).

214211122122021 is a wasteful number, since it uses less digits than its factorization.

214211122122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159875976.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 214211122122021 its reverse (120221221112412), we get a palindrome (334432343234433).

The spelling of 214211122122021 in words is "two hundred fourteen trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, twenty-one".