30211023122021 has 16 divisors (see below), whose sum is σ = 35462308976640. Its totient is φ = 25193683082880.

The previous prime is 30211023122003. The next prime is 30211023122083. The reversal of 30211023122021 is 12022132011203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30211023122021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30211023121984 and 30211023122002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211023128021) 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, 341081 + ... + 7780641.

It is an arithmetic number, because the mean of its divisors is an integer number (2216394311040).

Almost surely, 2^{30211023122021} is an apocalyptic number.

It is an amenable number.

30211023122021 is a deficient number, since it is larger than the sum of its proper divisors (5251285854619).

30211023122021 is a wasteful number, since it uses less digits than its factorization.

30211023122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7455284.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30211023122021 its reverse (12022132011203), we get a palindrome (42233155133224).

The spelling of 30211023122021 in words is "thirty trillion, two hundred eleven billion, twenty-three million, one hundred twenty-two thousand, twenty-one".