30221021132 has 6 divisors (see below), whose sum is σ = 52886786988. Its totient is φ = 15110510564.

The previous prime is 30221021113. The next prime is 30221021153. The reversal of 30221021132 is 23112012203.

It is a super-2 number, since 2×30221021132² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30221021132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777627638 + ... + 3777627645.

It is an arithmetic number, because the mean of its divisors is an integer number (8814464498).

Almost surely, 2^30221021132 is an apocalyptic number.

It is an amenable number.

30221021132 is a deficient number, since it is larger than the sum of its proper divisors (22665765856).

30221021132 is a wasteful number, since it uses less digits than its factorization.

30221021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555255287 (or 7555255285 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30221021132 its reverse (23112012203), we get a palindrome (53333033335).

The spelling of 30221021132 in words is "thirty billion, two hundred twenty-one million, twenty-one thousand, one hundred thirty-two".