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1122220122211 = 4342161990837
BaseRepresentation
bin10000010101001001100…
…010000010000001100011
310222021122110010221010001
4100111021202002001203
5121341301322402321
62215312451520431
7144035442435646
oct20251142020143
93867573127101
101122220122211
113a2a27003761
121615b12b9117
1381a9540b496
143c45c587a5d
151e2d15b0c91
hex10549882063

1122220122211 has 8 divisors (see below), whose sum is σ = 1151045879984. Its totient is φ = 1093518347040.

The previous prime is 1122220122209. The next prime is 1122220122229. The reversal of 1122220122211 is 1122210222211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122220122211 - 21 = 1122220122209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122220122811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30977316 + ... + 31013521.

It is an arithmetic number, because the mean of its divisors is an integer number (143880734998).

Almost surely, 21122220122211 is an apocalyptic number.

1122220122211 is a deficient number, since it is larger than the sum of its proper divisors (28825757773).

1122220122211 is an equidigital number, since it uses as much as digits as its factorization.

1122220122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61991301.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122220122211 its reverse (1122210222211), we get a palindrome (2244430344422).

The spelling of 1122220122211 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 43 421 18103 61990837 2665605991 26098142377 1122220122211