Search a number
-
+
1021001111119 = 111135431151243
BaseRepresentation
bin11101101101110000110…
…10001001011001001111
310121121101022201102000101
432312320122021121033
5113212002241023434
62101012541111531
7133523234152153
oct16667032113117
93547338642011
101021001111119
11364005567580
12145a632585a7
13753841ac302
14375b9689063
151b85a332b14
hexedb868964f

1021001111119 has 16 divisors (see below), whose sum is σ = 1123890534144. Its totient is φ = 919793347200.

The previous prime is 1021001111101. The next prime is 1021001111131. The reversal of 1021001111119 is 9111111001201.

It is a cyclic number.

It is not a de Polignac number, because 1021001111119 - 215 = 1021001078351 is a prime.

It is a super-2 number, since 2×10210011111192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021001111096 and 1021001111105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021001111189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6675112 + ... + 6826354.

It is an arithmetic number, because the mean of its divisors is an integer number (70243158384).

Almost surely, 21021001111119 is an apocalyptic number.

1021001111119 is a deficient number, since it is larger than the sum of its proper divisors (102889423025).

1021001111119 is a wasteful number, since it uses less digits than its factorization.

1021001111119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156798.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 1021001111119 in words is "one trillion, twenty-one billion, one million, one hundred eleven thousand, one hundred nineteen".

Divisors: 1 11 113 1243 5431 59741 151243 613703 1663673 6750733 17090459 187995049 821400733 9035408063 92818282829 1021001111119