Search a number
-
+
2111111001022 = 21055555500511
BaseRepresentation
bin11110101110001000000…
…001010111001110111110
321110211010221210112020011
4132232020001113032332
5234042023404013042
64253455255213434
7305344204300402
oct36561001271676
97424127715204
102111111001022
1174435413a461
122a119297727a
131240ccc9431a
147426d437102
1539dac8d0a17
hex1eb880573be

2111111001022 has 4 divisors (see below), whose sum is σ = 3166666501536. Its totient is φ = 1055555500510.

The previous prime is 2111111000959. The next prime is 2111111001029. The reversal of 2111111001022 is 2201001111112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×21111110010223 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2111111000993 and 2111111001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111111001029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527777750254 + ... + 527777750257.

It is an arithmetic number, because the mean of its divisors is an integer number (791666625384).

Almost surely, 22111111001022 is an apocalyptic number.

2111111001022 is a deficient number, since it is larger than the sum of its proper divisors (1055555500514).

2111111001022 is a wasteful number, since it uses less digits than its factorization.

2111111001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055555500513.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111111001022 its reverse (2201001111112), we get a palindrome (4312112112134).

The spelling of 2111111001022 in words is "two trillion, one hundred eleven billion, one hundred eleven million, one thousand, twenty-two".

Divisors: 1 2 1055555500511 2111111001022