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202100212002111 = 31929122262681187
BaseRepresentation
bin101101111100111100011111…
…010110000110110100111111
3222111120120222021001002000020
4231330330133112012310333
5202442202213233031421
61553455320005303223
760366154440634203
oct5574743726066477
9874516867032006
10202100212002111
1159439244a2a595
121a800460104b13
13889cc7822cc07
1437c99b975cb03
151857154bd1dc6
hexb7cf1f586d3f

202100212002111 has 16 divisors (see below), whose sum is σ = 293430434851200. Its totient is φ = 123240782635488.

The previous prime is 202100212002061. The next prime is 202100212002217. The reversal of 202100212002111 is 111200212001202.

It is not a de Polignac number, because 202100212002111 - 26 = 202100212002047 is a prime.

It is a super-2 number, since 2×2021002120021112 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100212052111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61131338941 + ... + 61131342246.

It is an arithmetic number, because the mean of its divisors is an integer number (18339402178200).

Almost surely, 2202100212002111 is an apocalyptic number.

202100212002111 is a deficient number, since it is larger than the sum of its proper divisors (91330222849089).

202100212002111 is a wasteful number, since it uses less digits than its factorization.

202100212002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122262681238.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202100212002111 its reverse (111200212001202), we get a palindrome (313300424003313).

Subtracting from 202100212002111 its reverse (111200212001202), we obtain a palindrome (90900000000909).

The spelling of 202100212002111 in words is "two hundred two trillion, one hundred billion, two hundred twelve million, two thousand, one hundred eleven".

Divisors: 1 3 19 29 57 87 551 1653 122262681187 366788043561 2322990942553 3545617754423 6968972827659 10636853263269 67366737334037 202100212002111