30231211404021 has 16 divisors (see below), whose sum is σ = 42076790603136. Its totient is φ = 19270552184576.

The previous prime is 30231211404019. The next prime is 30231211404029. The reversal of 30231211404021 is 12040411213203.

It is a cyclic number.

It is not a de Polignac number, because 30231211404021 - 2¹ = 30231211404019 is a prime.

It is a super-2 number, since 2×30231211404021² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231211403982 and 30231211404000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231211404029) 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, 83018760 + ... + 83382113.

It is an arithmetic number, because the mean of its divisors is an integer number (2629799412696).

Almost surely, 2^{30231211404021} is an apocalyptic number.

It is an amenable number.

30231211404021 is a deficient number, since it is larger than the sum of its proper divisors (11845579199115).

30231211404021 is a wasteful number, since it uses less digits than its factorization.

30231211404021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166403532.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 30231211404021 its reverse (12040411213203), we get a palindrome (42271622617224).

The spelling of 30231211404021 in words is "thirty trillion, two hundred thirty-one billion, two hundred eleven million, four hundred four thousand, twenty-one".