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1222101000111 = 31921440368423
BaseRepresentation
bin10001110010001010111…
…001010101111110101111
311022211110022122020120010
4101302022321111332233
5130010330324000421
62333231521424303
7154202542050465
oct21621271257657
94284408566503
101222101000111
11431321177642
12178a2719b093
138b322340774
144321587a835
1521bca11a076
hex11c8ae55faf

1222101000111 has 8 divisors (see below), whose sum is σ = 1715229473920. Its totient is φ = 771853263192.

The previous prime is 1222101000077. The next prime is 1222101000119. The reversal of 1222101000111 is 1110001012221.

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

It is not a de Polignac number, because 1222101000111 - 29 = 1222100999599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101000119) 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, 10720184155 + ... + 10720184268.

It is an arithmetic number, because the mean of its divisors is an integer number (214403684240).

Almost surely, 21222101000111 is an apocalyptic number.

1222101000111 is a deficient number, since it is larger than the sum of its proper divisors (493128473809).

1222101000111 is a wasteful number, since it uses less digits than its factorization.

1222101000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21440368445.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1222101000111 its reverse (1110001012221), we get a palindrome (2332102012332).

The spelling of 1222101000111 in words is "one trillion, two hundred twenty-two billion, one hundred one million, one hundred eleven", and thus it is an aban number.

Divisors: 1 3 19 57 21440368423 64321105269 407367000037 1222101000111