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222013331021 = 1911684912159
BaseRepresentation
bin1100111011000100000…
…1101001011001001101
3210020001111020202200202
43032301001221121031
512114140403043041
6245554100103245
722016461114436
oct3166101513115
9706044222622
10222013331021
1186178812659
123703b994b25
1317c21b5ac31
14aa6193248d
155b95d37a9b
hex33b106964d

222013331021 has 4 divisors (see below), whose sum is σ = 233698243200. Its totient is φ = 210328418844.

The previous prime is 222013330963. The next prime is 222013331083. The reversal of 222013331021 is 120133310222.

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 222013331021 - 230 = 220939589197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222013330984 and 222013331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222013301021) 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, 5842456061 + ... + 5842456098.

It is an arithmetic number, because the mean of its divisors is an integer number (58424560800).

Almost surely, 2222013331021 is an apocalyptic number.

It is an amenable number.

222013331021 is a deficient number, since it is larger than the sum of its proper divisors (11684912179).

222013331021 is a wasteful number, since it uses less digits than its factorization.

222013331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684912178.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 222013331021 its reverse (120133310222), we get a palindrome (342146641243).

The spelling of 222013331021 in words is "two hundred twenty-two billion, thirteen million, three hundred thirty-one thousand, twenty-one".

Divisors: 1 19 11684912159 222013331021