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1102111222001 = 13813517226913
BaseRepresentation
bin10000000010011010111…
…100101010100011110001
310220100202000200221212012
4100002122330222203301
5121024110433101001
62202145232212305
7142424225550506
oct20023274524361
93810660627765
101102111222001
11395448064369
1215971a99a095
137cc0c2c4c6a
143b4b1a354ad
151da05ed32bb
hex1009af2a8f1

1102111222001 has 8 divisors (see below), whose sum is σ = 1103227730664. Its totient is φ = 1100995176960.

The previous prime is 1102111221961. The next prime is 1102111222031. The reversal of 1102111222001 is 1002221112011.

It can be written as a sum of positive squares in 4 ways, for example, as 585439219600 + 516672002401 = 765140^2 + 718799^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1102111222001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1102111222031) 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, 4743521 + ... + 4970433.

It is an arithmetic number, because the mean of its divisors is an integer number (137903466333).

Almost surely, 21102111222001 is an apocalyptic number.

It is an amenable number.

1102111222001 is a deficient number, since it is larger than the sum of its proper divisors (1116508663).

1102111222001 is a wasteful number, since it uses less digits than its factorization.

1102111222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231811.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102111222001 its reverse (1002221112011), we get a palindrome (2104332334012).

The spelling of 1102111222001 in words is "one trillion, one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, one".

Divisors: 1 1381 3517 226913 4856977 313366853 798053021 1102111222001