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1222120000211 = 112157490313121
BaseRepresentation
bin10001110010001100000…
…001110100101011010011
311022211111122101112210112
4101302030001310223103
5130010400210001321
62333233440551535
7154203162413405
oct21621401645323
94284448345715
101222120000211
11431330974700
12178a316225ab
138b326263a26
14432181c4b75
1521bcbb1ea5b
hex11c8c074ad3

1222120000211 has 24 divisors (see below), whose sum is σ = 1352256952032. Its totient is φ = 1103632358400.

The previous prime is 1222120000181. The next prime is 1222120000247. The reversal of 1222120000211 is 1120000212221.

It is not a de Polignac number, because 1222120000211 - 26 = 1222120000147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222120000811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93135731 + ... + 93148851.

It is an arithmetic number, because the mean of its divisors is an integer number (56344039668).

Almost surely, 21222120000211 is an apocalyptic number.

1222120000211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222120000211 is a deficient number, since it is larger than the sum of its proper divisors (130136951821).

1222120000211 is a wasteful number, since it uses less digits than its factorization.

1222120000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18203 (or 18192 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222120000211 its reverse (1120000212221), we get a palindrome (2342120212432).

The spelling of 1222120000211 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred eleven", and thus it is an aban number.

Divisors: 1 11 121 157 1727 4903 13121 18997 53933 144331 593263 769771 1587641 2059997 8467481 22659967 64332263 93142291 249259637 707654893 7784203823 10100165291 111101818201 1222120000211