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2102011211212 = 221147772982073
BaseRepresentation
bin11110100101101001101…
…000011010110111001100
321102221122202221022022221
4132211221220122313030
5233414404332224322
64245352311145124
7304602540331063
oct36455150326714
97387582838287
102102011211212
11740504590710
1229b4733751a4
131232ac945103
1473a48a871da
1539a28a919c7
hex1e969a1adcc

2102011211212 has 12 divisors (see below), whose sum is σ = 4012930494216. Its totient is φ = 955459641440.

The previous prime is 2102011211173. The next prime is 2102011211227. The reversal of 2102011211212 is 2121121102012.

It is a super-2 number, since 2×21020112112122 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23886490993 + ... + 23886491080.

It is an arithmetic number, because the mean of its divisors is an integer number (334410874518).

Almost surely, 22102011211212 is an apocalyptic number.

2102011211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102011211212 is a deficient number, since it is larger than the sum of its proper divisors (1910919283004).

2102011211212 is a wasteful number, since it uses less digits than its factorization.

2102011211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47772982088 (or 47772982086 counting only the distinct ones).

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

Adding to 2102011211212 its reverse (2121121102012), we get a palindrome (4223132313224).

The spelling of 2102011211212 in words is "two trillion, one hundred two billion, eleven million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 47772982073 95545964146 191091928292 525502802803 1051005605606 2102011211212