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1222101101 = 13123176367
BaseRepresentation
bin100100011010111…
…1100100001101101
310011011121011112202
41020311330201231
510000324213401
6321133511245
742166454654
oct11065744155
93134534482
101222101101
11577931711
122a1342525
13166262060
14b844419b
157245406b
hex48d7c86d

1222101101 has 8 divisors (see below), whose sum is σ = 1317195264. Its totient is φ = 1127162160.

The previous prime is 1222101079. The next prime is 1222101137. The reversal of 1222101101 is 1011012221.

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 1222101101 - 218 = 1221838957 is a prime.

It is a super-2 number, since 2×12221011012 = 2987062202130824402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222104101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22181 + ... + 54186.

It is an arithmetic number, because the mean of its divisors is an integer number (164649408).

Almost surely, 21222101101 is an apocalyptic number.

It is an amenable number.

1222101101 is a deficient number, since it is larger than the sum of its proper divisors (95094163).

1222101101 is a wasteful number, since it uses less digits than its factorization.

1222101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77611.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1222101101 is about 34958.5626277740. The cubic root of 1222101101 is about 1069.1427906066.

Adding to 1222101101 its reverse (1011012221), we get a palindrome (2233113322).

The spelling of 1222101101 in words is "one billion, two hundred twenty-two million, one hundred one thousand, one hundred one".

Divisors: 1 13 1231 16003 76367 992771 94007777 1222101101