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30222111013021 = 33038391475987
BaseRepresentation
bin1101101111100101000100…
…01100001111100010011101
310222000012112212202021200201
412313302202030033202131
512430124340404404041
6144135502433023501
76236322041013064
oct667624214174235
9128005485667621
1030222111013021
1196a2141861634
1234812b79b4b91
1313b2c185ab885
14766a87c691db
1537622e4a9631
hex1b7ca230f89d

30222111013021 has 4 divisors (see below), whose sum is σ = 30222202819392. Its totient is φ = 30222019206652.

The previous prime is 30222111013007. The next prime is 30222111013051. The reversal of 30222111013021 is 12031011122203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30222111013021 - 213 = 30222111004829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30222111013021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222111013051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45407611 + ... + 46068376.

It is an arithmetic number, because the mean of its divisors is an integer number (7555550704848).

Almost surely, 230222111013021 is an apocalyptic number.

It is an amenable number.

30222111013021 is a deficient number, since it is larger than the sum of its proper divisors (91806371).

30222111013021 is an equidigital number, since it uses as much as digits as its factorization.

30222111013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91806370.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30222111013021 its reverse (12031011122203), we get a palindrome (42253122135224).

The spelling of 30222111013021 in words is "thirty trillion, two hundred twenty-two billion, one hundred eleven million, thirteen thousand, twenty-one".

Divisors: 1 330383 91475987 30222111013021