Search a number
-
+
2212002121111 = 191971087543671
BaseRepresentation
bin100000001100000101100…
…110011100010110010111
321211110120020020110102121
4200030011212130112113
5242220140020333421
64412102454120411
7315545321541556
oct40140546342627
97743506213377
102212002121111
11783117592242
122b884b050107
1313078b2ab653
14790c0981d9d
153c814e90d41
hex2030599c597

2212002121111 has 16 divisors (see below), whose sum is σ = 2342399938560. Its totient is φ = 2083021587360.

The previous prime is 2212002121079. The next prime is 2212002121157. The reversal of 2212002121111 is 1111212002122.

It is a cyclic number.

It is not a de Polignac number, because 2212002121111 - 25 = 2212002121079 is a prime.

It is a super-2 number, since 2×22120021211112 (a number of 25 digits) 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 (2212002121171) 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, 3796806 + ... + 4340476.

It is an arithmetic number, because the mean of its divisors is an integer number (146399996160).

Almost surely, 22212002121111 is an apocalyptic number.

2212002121111 is a deficient number, since it is larger than the sum of its proper divisors (130397817449).

2212002121111 is a wasteful number, since it uses less digits than its factorization.

2212002121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544974.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2212002121111 its reverse (1111212002122), we get a palindrome (3323214123233).

The spelling of 2212002121111 in words is "two trillion, two hundred twelve billion, two million, one hundred twenty-one thousand, one hundred eleven".

Divisors: 1 19 197 1087 3743 20653 214139 543671 4068641 10329749 107103187 590970377 2034960553 11228437163 116421164269 2212002121111